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