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