Full list of all 31 Last Evil achievements. It takes around 15-20 hours to unlock all of the achievements in the base game on Windows.
The base game contains 28 achievements, and there is 1 DLC pack containing 3 achievements.
Kill Incubus.
Kill Human slayer.
Kill Mountain.
Reach to Dungeon.
Kill Heresy inquisitor.
Kill Bandit chief.
20 stacks of bleeding on a target.
Kill Patrols.
Use 12 spells in one turn.
Kill a champion or boss without taking any damage from the enemy.
Defeat all enemies in the first turn.
Have 40 Block during combat.
Uses Mana 6 in One Turn.
Successfully escaped from being bound.
Reach to Deep place.
Kill Slave trader.
Have 10 or more Lust.
Activate 25 gallery elements.
Achieve level 3 of Intimcy with the Merchant.
Have 40 or more essences.
Kill Gient slime.
Activate 20 gallery elements.
Activate 15 gallery elements.
Activate 10 gallery elements.
Successfully temptation the enemy.
Achieve level 2 of Intimacy with the Merchant.
Activate 5 gallery elements.
Collect Essence from enemies.
Kill Doppelganger.
Kill Corps Commander.
Kill Archdemon.