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