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