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