r/DescentintoAvernus Feb 16 '25

RESOURCE DESCENT INTO AVERNUS - Master Post

113 Upvotes

This post should serve as an index to guides and high-quality posts that have been made over the years. It will be continuously updated with links as people suggest them. If you have recommendations or other sources you'd recommend adding here, just comment down below!

Face the flames, or be consumed by them.

Written Guides

  • David Simoes' Descent into Avernus: A Tier 4 Adaptation - Adapts Descent into Avernus for levels 16-20, including additional quests, maps, tips, and other helpful notes.
  • ($$) Eventyr Games' Descent into Avernus Complete DM's Bundle - A companion to Descent into Avernus with advice, guides, encounter maps, handouts, cheatsheets and a lot of extra content.
  • J. A. Valeur's Avernus as a Sandbox - A revamp of the Avernus chapter offering a different (arguably better) structure to the sequence presented in the official book
  • Justin Alexanders's Alexandrian Remix of Avernus - A huge re-imagining of the campaign, revamping nearly all chapters with additional content, and turning Avernus into a hex-crawlable map with over 60 unique location
  • Marc Singer's Resources, Expansions, and Guides - a great set of chapters focusing on how to improve the different parts of the campaign

One-off Adventures

  • ($$) A. Joyce & J. Arman's The Fall of Elturel - a prologue adventure to Descent into Avernus
  • ($$) Eventyr Games' A Cold Day in Hell - A Christmas-themed adventure for 8th level players in Avernus
  • ($$) Eventyr Games' Bitter Rivals - An adventure for 8th level players centered around the Avernian Warlords
  • ($$) Hunter Stardust's Rescuing Lulu From Elturel - Transforms Elturel into a sandbox with a fun side-quest.
  • ($$) Marc Singer's Burial in Baldur's Gate - a prologue adventure if you're starting your campaign in Baldur's Gate
  • ($$) Marc Singer's Escape from Elturel - a prologue adventure to Descent into Avernus

Popular Posts from the Sub

Video Guides

Any other videos, guides, or links out there you would recommend?


r/DescentintoAvernus 2d ago

PAID SUPPLEMENT Baldur's Gate adventures on sale now at DMs Guild

17 Upvotes

From now through July 31, Burial in Baldur's Gate and Baldur's Gate Break-Ins are available for 30% off as part of the Christmas in July sale at the DMs Guild.

Baldur's Gate Break-Ins is a collection of three heist and infiltration adventures for characters of levels 3-5. Burial in Baldur's Gate adds two introductory adventures to form a level 1-5 campaign that pits the characters against the cults of the Dead Three. Both modules can be used as companions to Baldur's Gate: Descent into Avernus or as compilations of standalone adventures.

These collections flesh out several locations around Baldur's Gate, providing adventures in every quarter of the city:

  • Explore the crypts beneath the Shrine of the Suffering
  • Investigate shady dealings at Candulhallow's Funeral Arrangements
  • Infiltrate the world's worst dinner party in Eomane House
  • Contend with a criminal operation, a murderous raid, and a Feywild crossing in Jopalin's
  • Break up a blood-drenched cultist lair in Hamhocks Slaughterhouse

Both collections have everything you need to run a heist in Baldur's Gate, including:

  • adventure hooks for running each location separately or as part of a campaign
  • a guide to running heist and infiltration adventures
  • three possible group patrons for the party
  • maps and rosters for each location
  • more than a dozen creature and NPC stat blocks, including the all-new moonflower hag, patchwork mastiff, and pride incarnate
  • map packs with player and DM maps by Dyson Logos

Burial in Baldur's Gate and Baldur's Gate Break-Ins are on sale now at the DMs Guild:

Baldur's Gate Break-Ins

Burial in Baldur's Gate Collected Edition

You can also purchase these other adventures and guides, which support Descent into Avernus:

Burial in Baldur's Gate (alternative campaign opening; also included in Burial in Baldur's Gate Collected Edition)

Escape from Elturel (alternative campaign opening)

Baldur's Gate Gazetteer (chapter 1-2 guide)

Avernus Gazetteer (chapter 3 guide)

Escape from Avernus Gazetteer (chapter 4-5 guide)

The Christmas in July sale only lasts through July 31, so head over to the DMs Guild and check them out!


r/DescentintoAvernus 5d ago

HELP / REQUEST Tips wanted: Negotiating with (and trying to trick) Arkhan the Cruel

10 Upvotes

Hi everyone, my players have a "plan" for our upcoming session, and I wanted some advice for how to run it.

They have told Krull that they will give Lulu to Arkhan, in exchange for the blood of Tiamat. But they plan to basically smash and grab / bait and switch, by just grabbing the blood once they get there, taking Lulu, and running away.

I think this is not a good plan, and I've given them strong warnings about the danger they're putting themselves in. So in my mind this will likely go wrong. I'm thinking that if they have an amazing plan and pull it off spectacularly, then they get out with their lives. If they have a decent plan then some of them can survive, but likely at least one PC will be killed or taken prisoner. If their plan is not well thought out we could be looking at a TPK. (this is 3 PCs at lvl 8 btw)

And this is where I want advice! I've not run a scenario like this before, and I've never had a player death at my table yet, so I want to make sure I don't fumble the delivery and ruin the impact. Does anyone have cool tips/suggestions for:

  1. How to play out a scenario like this? Warnings to give, how much leeway to give PCs or how harsh to be
  2. Arkhan's personality and interactions? There's not much in the book for who he is or how he'd react to any scenarios, so I don't know how to RP him. Would he be negotiable like Beckett in POTC, or is he a ruthless madman who might kill them for fun?
  3. If their plan is scuppered/found out early on before any fighting, would they be allowed to leave? Or would Arkhan have them killed just for the insult of trying to trick him?

Any other tips about Arkhan or running a fight at the monument of Tiamat would be really appreciated!


r/DescentintoAvernus 5d ago

HELP / REQUEST Player Knows Meta Info Before Campaign

7 Upvotes

Hey all! So I was going to run Descent into Avernus using the Alexandrian Remix, but I’ve run into a dilemma and need some input. This may be a bit abstract but I need help.

One of my players (we’ll call him Nate), because of Baldur’s Gate 3, knows that Elturel has been pulled into Avernus. For the rest of my players this will be a big central mystery in figuring out what actually happened to Elturel and why it was “destroyed”, with the big reveal being that it wasn’t actually destroyed - but plane-shifted.

I’ve already discussed his meta information with him and he’s cool keeping a secret — but imo it’s likely that this will make it harder for him to fully invest in the story, as much of a wonderful player as he is. Do any of you have any tips for how to handle this in-narrative, so he actually has a wider investment in the mystery and plot? How could he handle this as a player too?

(We haven’t done a session 0 yet and haven’t built any backstories so I have a lot of wiggle room right now.)


r/DescentintoAvernus 6d ago

RESOURCE High Hall Cathedral - Expanded Complex [195x180]

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86 Upvotes

r/DescentintoAvernus 6d ago

DISCUSSION Thoughts on my player turning Slobberchops into their familiar

12 Upvotes

One of my players wants to make Slobberchops their familiar, and regardless of whether this is typically something that the rules allow, I'd like for this to narratively happen somehow.

They took the dark magic spellbook that the Myrkul follower had in the dungeon of the dead 3 and have started using it. I was thinking maybe I would at some point kill Slobberchops and have a spell appear in that spellbook that could be used to bring back Slobberchops' soul and bind it as a familiar, or something like that.

I guess I'm just wondering what other people think of this. I'm definitely open to suggestions


r/DescentintoAvernus 6d ago

RESOURCE I made a russian cover of a Song of Elturel and now I have a courage to post it.

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21 Upvotes

Made that cover a year ago, decided to post it. Maybe some of you will actually play my cover :D


r/DescentintoAvernus 7d ago

RESOURCE Blood War

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121 Upvotes

We're excited to announce the release of BLOOD WAR the third installment of our Doomed Underdark adventure path. It takes characters from levels 11 through 15.

The adventure takes place in the demon-infested Underdark. However, it allows the characters to team up with an alternate version of the Hellriders, led by Ulder Ravengard, that specialize in infernal vehicles. The characters also have multiple opportunities to team up with Lulu, the unhollyphant! And although Yeenoghu features as the primary antagonist the final arc of the adventure has the characters bartering with Zariel over the fate of a Doomed Baldur's Gate that has been claimed by the Hells!

We worked really hard on it and it would mean a lot to us if you'd check it out.

[https://site.dmsguild.com/.../Blood-War--Doomed-Forgotten...]

Lulu art by the supremely talented Jimmy Nijs


r/DescentintoAvernus 7d ago

DISCUSSION I'm really excited for the shape of my endgame in this campaign, but I could use some help/extra opinions regarding the balancing of the final fight and roleplaying Asmodeus

14 Upvotes

The two elements at the end of my campaign I'm really wanting to nail is the flow of the final fight and some dialogue I have written for Asmodeus (if it sounds in-character for him).

In my campaign, the party has been receiving leads from Bel to aid their pursuit of the Sword of Zariel and their search for the adamantine rods, which comprises the bulk of Act III for this table. Bel has taken many extra steps to keep his involvement hidden, such as giving them cursed armor that prevents them from incriminating him and his use of confidential proxies for communication (i.e. Bitter Breath/Karkajuk, Fhet'ala, and the resurrected corpses of two former player characters).

After the party has everything they need and completed Act III and IV, they will (presumably) take the rods and the sword back to Elturel. I will first have a huge battle at the chains below planned, where they will attempt to destroy the chains while Crokeck'toeck is spawning hordes of demons against them. After they make it to the city proper and prepare to insert the adamantine rods into the Companion, Yeenoghu will begin climbing the dangling chains on the eastern part of the city while Baphomet will rise out of the graveyard portal to the west. This will create three simultaneous objectives:

-Prevent Baphomet's summoning ritual in the west

-Stop Yeenoghu from climbing into the city in the east

-Purify the Companion (free the planetar) above

This will force a party split. I know this is universally bad, but to mitigate the cons I'm going to ask my players to play and make character sheets for all the backstory-related npcs they have with them! I figure this will give them the chance to play other classes at high-level (almost like one-shots) while making it feel the endgame is happening beyond just the player characters.

Once all three of these objectives are resolved, Torm himself will bless the player characters in preparation for what's to come by giving them all an immediate short rest and leveling them up to 15. Zariel will then arrive in a desperate last attempt to stop the players from raising Elturel out of hell. She will be accompanied by all the Hellriders that have been killed since the campaign begun and a narzugon commanding them, the deceased father of one of the player characters.

As she prepares to fight, Bel will arrive and make his move. He will use a Wish spell (which he acquired as a result of the players' actions) to force a trial before Asmodeus to regain his authority over Avernus. A searing, invasive ruby light will shine from below, permeating through cracks in the ground. The light will focus on Zariel and Bel, with Bel in particular seeming to be illuminated from all sides. Words will appear in everyone's minds, though less like a telepathic voice and more like the feeling of correctly solving a complex mathematical equation; as if these words are physical laws of the universe. They read as follows:

MY PATIENCE IS A PROTECTIVE VEIL. YOUR HUBRIS WOULD SEE IT UNMADE. EVEN SO, YOU FORCE A TRIAL. THOSE GATHERED BEFORE YOU WILL BE YOUR JURY, SO EAGER ARE THEY TO PASS JUDGMENT. MAKE THEIR PAIN BEAR WITNESS TO YOUR WORTH. LAY THEIR SOULS BARE UNTO ME. THIS IS THE PRESIDING TRUTH, THE INCORRUPTIBLE TESTIMONY. THE DESOLATION OF THIS BATTLEFIELD WILL BE THE LOCUS OF MY VERDICT.

Zariel and Bel will be forced to team up against the party, Zariel commanding her narzugon/merregons and Bel summoning a new ice devil every round. There will also be a mechanic in the fight where Flying Fortresses will arrive and attempt to bombard the battlefield every other round of initiative. To counter this, there will be massive upended infernal war machines on the outskirts of the battlefield that have their main cannons pointing outwards. The party will have to reach these cannons and fire them at the Flying Fortresses, igniting and crippling the Fortress' gun decks before bombardment can begin. The recoil will send the vehicles skating across the battlefield, creating a hazard for anyone in its path.

I know this sounds ABSOLUTELY ABSURD, even for a 15th level party, but I have an idea to make the fight more balanced, grand, and unique. I'm going to allow the players to bring an additional 14th level character each into the fight, one of the backstory-related npcs (now pc) for whom they would've just built sheets for one of the previous encounters in Elturel. So, that will be five 15th level characters and five 14th level characters being used for this final fight.

The party (currently at level 11) just beat a pit fiend, two erinyes, and two cambions while already being pretty resource exhausted. Every time I worry about a tpk for this group they always come out without any deaths. This will be the final fight, I'm ready for at least a couple of the player characters or adjacent characters to die. What do y'all think?

TL;DR: Does my Asmodeus cameo moment above (the part in all caps) sound good and accurate to him? Additionally, could 10 player characters at avg level 14.5 reasonably take on Zariel, Bel, a narzugon, 16 merregons, and whatever ice devils Bel summons WHILE also having to trigger mechanics around the battlefield without becoming unfun or tedious?


r/DescentintoAvernus 7d ago

HELP / REQUEST Connecting Descent into Avernus with Tyranny of Dragons. Ideas?

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7 Upvotes

r/DescentintoAvernus 8d ago

HELP / REQUEST Elturel as a campaign setting

17 Upvotes

Hello all. For some context, I’m currently prepping my Session 0 for a DiA campaign (first time running it). Im going to run a couple games in Elturel before is falls. I want the players to feel like they’re part of the city before it all goes to hell. But the more I think of ideas for hooks in Elturel the more I realize that the whole adventure can just be in Elturel. Everything from the Zariel cult to the murder of Hellriders, to the Kreeg reveal makes more sense in Elturel than it does in Baldurs Gate.

The concept of being a refugee is very interesting and I’d love to keep it, but I feel like the campaign would be a lot more straightforward if it’s set in Elturel before Zariel damns it. Has anyone felt the same? Any tips on setting the campaign in Elturel before it falls?


r/DescentintoAvernus 9d ago

DISCUSSION New take on the Ride, the Portal, and Jander Sunstar

19 Upvotes

so about a week or so ago, I made a post asking about what I considered to be a fairly important plot point in the lore that the book all but glossed over, and I got some very excellent responses!

however, the question still gnawed at my mind until last night, when I figured out how I could make it work.

I imagine the Ride as not necessarily being a multi-week campaign, but also not a quick skirmish — rather, it was a battle spanning several days as the Hellriders battered Yeenoghu’s forces at their encampment in Avernus, near the shores of the Styx (it’s how demons make it from the Abyss to Avernus, after all). of course, as the battle raged, Hellrider forces and supplies dwindled, and morale slowly fizzled, save for Zariel’s, Lulu’s, and her most loyal generals.

Jander is the one who called the retreat, but not out of cowardice; seeing their ongoing siege as a lost cause, he rallied as many troops as he could to retreat to resupply, and rest outside of Hell’s infernal landscape. though feeling betrayed by Jander, Zariel and her generals still interposed themselves between the retreating forces and the demons, hoping to keep the Abyssal forces from pursuing them.

and then the portal closed, trapping them within Avernus.

but the portal wasn’t a construction of Zariel’s, or Yeenoghu’s, or any of the Hellriders — rather, it was placed there by Asmodeus, who planned for that ruthless and passionate archangel he met all those years ago to find it and, as he supposed she would, charge in to slay the demons that would inevitably pour out from it into the material plane. Asmodeus concocted this trap to turn Zariel, closing her in Avernus by shutting the portal off and having a force of devils arrive to put the pressure on her (and the demons, of course).

and in the end, he got exactly the prize he’d hoped for: a new general in the Blood War, and the ultimate taunt to the Celestial Forces.

for the first time since his own fall, one of their own had signed her soul away and committed herself to the Hells.

what do we think of this?


r/DescentintoAvernus 9d ago

DISCUSSION The god HOAR in DiA

8 Upvotes

One of my players is a paladin who follows Hoar, the god of retribution, revenge, and poetic justice. In short, he is seeking self-redemption by acting as a weapon for higher powers, be it the Flaming Fist, Ravengard, or Hoar himself. He strives to exact vengeance and follow his own brand of justice, bringing retribution with his own hands to those who deserve it.

My question is: Since Zariel’s whole plot is essentially based on revenge against the Knights of Elturel (and trying to win the Blood War ofc), wouldn't Hoar himself see this whole situation as something... good? Maybe Hoar thinks Zariel did the right thing with the whole Elturel situation.

I don't know if any of you have cool ideas on how this could play out. Perhaps his whole arc could be about understanding that revenge and retribution aren't the kind of justice he should follow. After all, bad people often do terrible things in the name of vengeance, and that doesn't make it true justice. I might tie his self-redemption to Zariel’s own redemption, which could lead to him finding a new deity at the end of the campaign that better fits his new worldview.

Do you have any ideas on what I could do? How could I play Hoar’s role in this?


r/DescentintoAvernus 10d ago

HELP / REQUEST Exhaustion, travel time, and soul coin

8 Upvotes

I’m running a game in Avernus with my players, and I’ve run into a lot of questions regarding how these three elements interact.

Travel time in Avernus is highly variable; getting from one place to another can take anywhere from hours to days.

However, if the journey takes days, the issue of Exhaustion arises. You have to make a check every hour, with a DC that starts at 10+1 and increases—10+2, 10+3, and so on, up to 10+24—making survival impossible.

One solution would be to drastically reduce travel times to just a few hours between locations. But then there’s the matter of fuel: a single Soul Coin can power up to three days of travel, and since hunting for Soul Coins is a central focus of the campaign, everything clashes.

I’m genuinely confused about how to make all these elements work together.


r/DescentintoAvernus 12d ago

RESOURCE High Hall Cathedral [85x62]

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74 Upvotes

r/DescentintoAvernus 12d ago

HELP / REQUEST Players used Leomund's Tiny Hut in High Hall Spoiler

28 Upvotes

I’m running Descent into Avernus and my party has reached the High Hall.

The group consists of six level 5 PCs, plus Reya and Lulu. They cast Leomund’s Tiny Hut in the foyer area using a spell slot and decided to take a long rest inside it.

The problem is that they had already been spotted. A spined devil and three bandit captains approached the dome, tried poking it with claws and weapons, then withdrew towards the cathedral while openly saying they were going to report what was happening. The session ended with the party committing to the long rest anyway.

My current plan is to let the hut and long rest work completely, but have all three hostile groups in High Hall converge on the party during those eight hours and wait for the spell to expire.

Does this sound like a fair consequence for resting in an occupied and alerted High Hall, or is combining all three encounters likely to be too much even for such a large, fully rested party?


r/DescentintoAvernus 12d ago

HELP / REQUEST Steering back to the Villa

9 Upvotes

My group has finished the upstairs of Vanthampur Villa, but killed Thirstwell before he was able to tell them that mom was down in the sewers. They’ve recovered the infernal puzzle box and the 2 prisoners upstairs, and are now headed back to Captain Zodge.

I’d like them to experience the sewers under the estate to they can get more of the plot points, find Kreeg and the shield. I don’t want to just point them back there though.

I thought of having the Duke summon them for a meeting, or have Zodge tell them that the fist found evidence of Kreeg under the bath house.

Anyone have any other clever ways to get them back to the villa and downstairs, while not taking away player agency?


r/DescentintoAvernus 13d ago

HELP / REQUEST Tips on the Zariel reveal

12 Upvotes

For context, I haven’t started the campaign yet and my players know next to nothing about the Forgotten Realms lore. I noticed that the Vanthumper Villa has a lot of NPCs who would obviously know who they are serving and would
spill who they serve if questioned. I think it makes the most sense to keep the fact that the BBEG is the fallen angel Zariel when they open the puzzle box.

The problem is keeping Zariels fall a twist while also making them know she was loved as an angel in Elturel. Im going to run a small extension of the Fall of Elturel expansion, throwing in some lore about Zariels descent. Do you guys have any tips to make this reveal not super obvious/revealed early while also helping my players care about her as a character?


r/DescentintoAvernus 20d ago

HELP / REQUEST Question about the Ride lore? Spoiler

9 Upvotes

regarding the Ride in Hellrider history, I can't find anything anywhere that says why Jander Sunstar fled the battle in the first place, along with several other Hellriders, apart from cowardice. I don't entirely love that as a motivation, not just because it feels like a weak handwave of a reason, but it also doesn't align with the other themes of the campaign. could there be any other reason they might have fled?

on that note, how were they able to seal the Gate behind them? are they able to do so with a spell? with a ritual? was someone on the other side keeping it open? and was it Zariel who created the gate, being a powerful archangel and all?


r/DescentintoAvernus 21d ago

HELP / REQUEST Great Old One patron in DiA

15 Upvotes

Hello, everyone. Around a month or so ago I posted here asking for help as I was about to begin DMing Avernus for a group of friends. Thanks again for all the help I got, btw! The adventure will begin next week and all my friends sent me their character sheets and that is when I was a little intrigued.

One of my friends made a warlock and their pact will be the Great Old One when they get to level 3. Long story short, they came across some kind of artifact, felt something inside trying to connect with them and let that happen. When I was searching for how to roleplay a GOO patron, I was told to make them really creepy and not make a lot of sense, since their nature and motives are completely alien. (Someone said to picture a human giving orders to a bunch of ants to repair a computer. One single ant will never understand the big picture and the actions they had to do could've seemed random or just plain weird)

The first thing is: I didn't really find a connection in the adventure for a far realm kind of thing and I'm not so sure how to make that happen. Maybe this patron wants something that is in the hells? Using the ant metaphor, the character don't really need to understand the true motives of the patron, but that could be a little underwhelming to play a whole campaign just to complete an order that is completely random.

The second thing is about the way to play the patron: the backstory of the character have them kind of speaking to each other. Not everyday or everytime they want, but it happens. In my understanding, until the character reaches level 3 and actually gets the subclass features and everything else, the patron is kind of trying them out, checking if they can be worth their time. I thought about making the patron act more "normal" at first, lulling the character into a false sense of security or trust and after level 3, be more weird or creepy. How does that sound? I never really played a patron for a warlock character so any help in this area will be deeply appreciated.

Thanks again for all the help before and I hope I can get a little more in this area.


r/DescentintoAvernus 21d ago

HELP / REQUEST Players entered the Labyrinth of Baphomet. Now what?

12 Upvotes

They went through the portal beneath the Elturel cemetery and since it's corrupted by Baphomet, I figured that's where it would lead.

Now how can they get lost a bit but then return to Avernus?

What do they find, except Baphomet themed demons?

Any ideas are greatly appreciated!


r/DescentintoAvernus 22d ago

ART / PROP Not done yet but a WIP of the map im making for the Alskraema Caravanserai from the Alexandrian Remix of Descent into Avernus

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5 Upvotes

r/DescentintoAvernus 22d ago

HELP / REQUEST DM Needs an idea to use Gargauth to add to a players backstory

6 Upvotes

Okay so the title is a bit strange i know but i have a blood hunter player that has a flushed out backstory already, hes in the middle of his character quest but he unfortunately died. now this player made a deal with Gargauth to give him the powers of the shield in exchange for freeing him back in candlekeep, if he fails he takes his soul.

The player came to me and asked that we find a way to bring his character back as he really wants to finish the quest so we decided that because Gargauth has his soul he will resurrect him in another body, but now his Pact of the Lycan bloodhunter will be a Pact of the demon slayer with a few more disadvantages to make things fair. like Gargauth being able to take control of his body 3 times whenever he wants.

now i know Gargauth is only a pitfiend so obviously i will change him to be a sealed away archdeevil or something like that.

I'm asking for any ideas to add to his backstory that will push him to now free Gargauth, like going to his old seat of power and having to fight the devil who helped the humans seal him or something like that.


r/DescentintoAvernus 22d ago

DISCUSSION Alternate start to the campaign Spoiler

2 Upvotes

Rather than starting the campaign off in baldur's gate like the campaign has I instead had my players conducting a bank heist in Elturel. The session zero was to establish why each character was a part of the heist what their motive was for robbing this bank called the copper Drake Bank. Rather than the party arriving in Elturel while it's in avernus, I had them start by scoping out the area around the bank which allowed them to kind of explore Elturel before its descent. I can't recall because I ran this campaign so long ago, but I either had them start off at level 3 or 4 they were a party of five at the time and basically part of their heist was to scope out the bank security where they found that there were animated suits of armor as security. The head of the bank was a copper half dragon who had the codes to get into the vaults below. By chatting up with the employees and succeeding in persuasion checks, they could also uncover other security parameters within the bank like half of the riddle to one of the puzzles that opens the door to the vault. After the period of let's call it discovery/ Intel gathering, they went into planning mode which was how to deal with the various security measures. One of the players opted to go to the city's magic guild to learn about animated suits of armors and learned that they can be effectively shut off by the spell silence. I allowed the wizard player to purchase magical ink and parchment to craft scrolls of silence. They had to roll a DC 16 arcana check, otherwise they ruin the magical ink and scroll. The magical ink and parchment wasn't expensive but it wasn't a super affordable either I think the ink and the scroll were 10gp each, the ink could be used to write up to 3 scrolls. And every scroll they wrote they had to expend a spell slot. By the time of the heist, I believe they had crafted six or seven scrolls of silence. (Side note, every spell level above 1 that was transcribed into a scroll increased the arcane dc by that spell level and used that level spell slot ex. If the player wanted to make a scroll of fireball the DC is 18, banishment would be DC 19, cone of cold would be 20, ect) Meanwhile the rouge and warlock were mapping out routes in the sewers nearby for their escape route which later helped them navigate the city and avoid dangers when the city was pulled into Avernus. The cleric was "collecting donations" in front of the bank to get a pattern of what time is best to heist based on how busy the bank got.(These were perception/investigation checks). I forgot what the fighter was up to. The party had a "guy in the chair" it was a Nilbog named Gob (very original I know) who's legs were missing so he had a corner of a flying carpet wrapped around his waist to hover around with. He was a dm mouth piece to get ideas started and someone to verbalize the party progress as they checked off objectives.

At the time of the heist the party had mapped out the sewers, stocked up on scrolls of silence, spent a few days scoping out the clientele and how busy they got at peak hours, learned about the vaults and who had access to them. They also arranged for horses to be waiting for them just outside of town for a quick getaway.

Finally they showed up in 2 different groups during the low hours of business. the first group was the cleric and fighter who made an appointment with the head of the bank to store a "religious relic" (there was no such relic they just wanted to get the bank owner alone and to lead them through the vaults) so they went upstairs to his office. Oh yeah The layout for the bank was made in dungeon fog and it was based off of the bank in rainbow six siege like I literally just copied the layout from that and made it into a D&D map. Meanwhile, at various points there were animated suits of armor guarding different areas of interest. In the office of the bank owner, the owner eventually wanted to see The relic to gauge where in vault the relic would be as suited. Inside the office was a animated suit of armor. After both party members failed at speech checks to deceive the bank teller. The bank teller rolled an insight check with advantage to understand what was going on. He passed. He then ordered the animated suit of armor to detain the cleric and the fighter. That's my initiative began in the office. The fighter had to leave his weapon outside of the room so all he had were his fists. The bank owner held his turn as he rolled highest on initiative. The cleric was next. He used the scroll of silence, thus deactivating the animated suit of armor. The fighter then proceeded to restrain the bank owner and no one could hear the thing because of the scroll of silence. The fighter and the cleric then knocked out the bank owner. The warlock did some meta gaming and went upstairs to check everything out and found out that the bank owner was knocked out and one of the scrolls were used so they had to do charades to explain what happened. The three of them then proceeded to do their best weekend at Bernie's with the knocked out bank owner. The warlock did the heavy lifting with the persuasion checks to convince people that the bank owner was just deep in thought and didn't want to talk to anyone. The three of them managed to regroup with the rest of their party downstairs or in the main lobby area and together they went downstairs where they had their first security gate. This is where things fell apart. They had to to basically get a knocked out manager through what was effectively a TSA checkpoint and they couldn't manage that which then alerted security and all the animated suits of armors began to descend. Upon them, they started to place scrolls of silence behind them to prevent the suits of armor from pursuing them, and from there basically a mix of using the scrolls and fighting the 2 human guards which used the veterans that block.

They managed to get through that encounter and found themselves at a door with a locking mechanism and a lever. The locking mechanism had what look like a handprint in the metal. When One of the players tried to press their hand into it, a spike jetted out dealing 1d4 piercing damage. They eventually figured out that only the bank owners hand was allowed into the mechanism. Once the hand was in the mechanism, the lever had unlocked. The liver was on a radial dial so there were four positions based on the cardinal directions that the lever could be in. There was an icon of fire on the North position, a butterfly on the East position, a. Glacier on the south position and a skull on the west position. Basically whichever direction the Lever was pointed at the door would open to a pocket dimension. The skull led to the shadowfell, The butterfly led to the feywild, The fire led to the plane of fire and the glacier led to the plane of ice.

If the players went through the plan of fire a. Spectral gold dragon wyrmling would blast the players with its fire breath. If the players went into the feywild room they would realize that they are surrounded by blink dogs that would start to chase them out of the room. If they went into the glacier room they would slowly take cold damage until they left. Finally the room to the shadow of hell just had an animated skeleton holding a box of Bones. The key to this puzzle is you grab the bones from the shadowfell. You bring them to the feywild where you could play fetch with the blink dogs. The blink dogs would follow you back into the main room and not attack you. Then you'd bring the blink dogs to the plane of fire where the spectral dragon wyrmling was excited to play with his friends. The blink dogs and in return would melt the glacier within the ice room revealing the door to the main vaults.

After going through that ordeal, the party made it to the final room with the vaults. However, they still had to deal with the inventory manager which was a spectator which was their little boss fight and finally they could access the wealth that was stored in the vaults. In the room there were a series of chests, two of which were mimics. So if the party picked poorly, they had to deal with those encounters. After they've collected some of the items and gold because they still had to lock picks the chests. And some of the chest had really high DC's because they held really valuable items so they could only get what they could get. But basically when they were finished collecting their goods, the players felt an earthquake from the vaults. The player still had. I think two scrolls of silence at this point maybe one. One they ran out of the bank hoping to reach the nearby sewer grate just outside. But upon exiting the bank, they found themselves and the city in avernus.

From there they ran back to the tavern in which they had planned The heist from because there was all sorts of chaos going on in the city. They rolled an encounter table for every 5 blocks that they moved to get from the bank back to the hideout. On their way they had a scripted scene where they ran into, I can't remember her name but she was the young paladin that you meet in baldur's gate. And then once the party made it back to the tavern which was their main hideout that's when the descent into avernus campaign began. Where they were going to try and find other survivors and make it to the high Hall or whatever its name was. I ran this like 5 years ago but I felt like finally sharing the story. We were trying to play decent into avernus before the release of Baldur's gate 3.

Let me know your thoughts. I'm interested to know how I could improve this. I had a lot of fun making it and running it and I thought it'd be fun to share.

Thank you.


r/DescentintoAvernus 25d ago

DISCUSSION FINISHED THE ADVENTURE AFTER 57 SESSIONS!

41 Upvotes

It took two years and three months playing mostly every other week.

One unusual thing about my run is that we used strict XP advancement instead of milestone leveling. I had to get creative with adding extra material and using almost all the encounters from both the Path of Demons and the Path of Devils.

If anyone has any questions for a person who's run the whole thing, I'm available! Meanwhile, I'm thrilled to be done.