Here is the full list of all 18 Ara Fell: Enhanced Edition achievements.
Collect every relic.
Reach level 50 with at least one character.
Have 8 buffs active at once on an ally.
Collect every enchantment recipe.
Deal over 5000 damage to a single target in one hit.
Unlock every teleport crystal.
Complete every side quest.
Complete every bounty quest.
Upgrade every item to tier 4.
Fill all 16 enchantment slots.
Upgrade and augment every skill.
Unlock a specialization class for every character.
Have 8 debuffs active at once on an enemy.
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.