Full list of all 39 The Dungeon Beneath achievements.
The base game contains 30 achievements, and there are 4 DLC packs containing 9 achievements.
Reach Abaddon with a Follower in your party.
Reach Abaddon on New Game++++.
Reach Abaddon on New Game+++.
Have 10 Armor on a single unit.
Reach Abaddon on New Game++.
Reach Abaddon on New Game+.
Deal 20 or more damage to a single unit with one attack.
Win a battle with only your hero left alive.
Reach Abaddon with Elder Gryx.
Reach Abaddon with Eloa.
Win a battle in the first round.
Reach Abaddon with Mariana.
Acquire a Dragon Scale.
Reach Abaddon with Thardoric of the Hammer.
Defeat The Hand of Abaddon.
Defeat Dungeon Boss Firis.
Defeat the Reanimated Colossus.
Defeat Abaddon.
Reach Abaddon with Taz'gyn.
Defeat The Mind Reaver.
Reach Abaddon with Dominique Boutroux.
Reach Abaddon with no Fighters.
Reach Abaddon in under 60 rounds.
Reach Abaddon with no Mages.
Defeat Simulae Prime.
Acquire Iliphar's Arbalest.
Deal 10 or more damage to a single unit with one attack.
Acquire a Searing Sign.
Defeat King Fetterbite.
Win a battle.
Reach Abaddon with Xandos.
Kill an Aurum Worm.
Close the Portal on Legend.
Challenge a god on New Game++++.
Challenge a god with the Lost Adventurer.
The ultimate test...
Defeat Death.
Survive Death's Invitation.
Climb more than 200 floors in The Tower.