Here is the full list of all 41 Divinity II: Ego Draconis achievements worth 1,000 gamerscore.
You have found Adah and Mahalath's secret cave.
You have made it out of the Maxos Temple.
You have found the book that will lead you to the Hall of Echoes.
You have charmed an item.
You have gained entry to the Maxos Temple.
You scared away the fortune teller.
You have killed the Killer Bunny.
You have summoned your creature.
You have killed Casper.
You have obtained the key to the Maxos Temple.
You correctly answered all of the questions about Lord Lovis.
You met Damian.
You have created a potion.
You have made use of an illusionist's services.
You have leveled up. Congratulations!
You have traded with someone.
You finished Farglow. Happy hunting!
You have read someone's mind.
HowTo String for achievement 04
HowTo String for achievement 05
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HowTo String for achievement 07
HowTo String for achievement 12
HowTo String for achievement 13
HowTo String for achievement 15
Finish the game.
Destroy all of Damian's Flying Fortresses.
HowTo String for achievement 26
HowTo String for achievement 28
HowTo String for achievement 29
HowTo String for achievement 30
Bring to justice all of Rivellon's most wanted criminals.
Cure blindness.
Upgrade all your Battle Tower platforms to their maximal potential.
Send one of your runners on a mission.
Reach an epic level.
Enchant an item.
Make use of your skills trainer.
Morph into a Dragon.
Use the Dragon Stone.