Here is the full list of all 18 Ara Fell: Enhanced Edition achievements.
Have 8 buffs active at once on an ally.
Collect every relic.
Complete every side quest.
Upgrade and augment every skill.
Deal over 5000 damage to a single target in one hit.
Collect every enchantment recipe.
Reach level 50 with at least one character.
Unlock every teleport crystal.
Complete every bounty quest.
Upgrade every item to tier 4.
Fill all 16 enchantment slots.
Have 8 debuffs active at once on an enemy.
Unlock a specialization class for every character.
Break the stone curse.
Defeat a vampire in battle.
Dive for fish or loot 30 times.
Harvest 100 gathering nodes.
Win every battle on Expert difficulty.