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