Here is the full list of all 18 Ara Fell: Enhanced Edition achievements worth 1,000 gamerscore.
Deal over 5000 damage to a single target in one hit.
Reach level 50 with at least one character.
Have 8 buffs active at once on an ally.
Have 8 debuffs active at once on an enemy.
Dive for fish or loot 30 times.
Harvest 100 gathering nodes.
Break the stone curse.
Defeat a vampire in battle.
Unlock every teleport crystal.
Upgrade and augment every skill.
Collect every relic.
Upgrade every item to tier 4.
Collect every enchantment recipe.
Fill all 16 enchantment slots.
Complete every bounty quest.
Complete every side quest.
Unlock a specialization class for every character.
Win every battle on Expert difficulty.