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