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 Mountain.
Have 40 Block during combat.
Use 12 spells in one turn.
Kill Incubus.
Kill Human slayer.
Reach to Dungeon.
Kill Heresy inquisitor.
20 stacks of bleeding on a target.
Kill a champion or boss without taking any damage from the enemy.
Successfully escaped from being bound.
Have 40 or more essences.
Kill Bandit chief.
Activate 25 gallery elements.
Kill Gient slime.
Reach to Deep place.
Kill Slave trader.
Activate 20 gallery elements.
Uses Mana 6 in One Turn.
Activate 15 gallery elements.
Kill Patrols.
Activate 10 gallery elements.
Successfully temptation the enemy.
Have 10 or more Lust.
Achieve level 3 of Intimcy with the Merchant.
Defeat all enemies in the first turn.
Activate 5 gallery elements.
Achieve level 2 of Intimacy with the Merchant.
Collect Essence from enemies.
Kill Archdemon.
Kill Doppelganger.
Kill Corps Commander.