Here is the full list of all 50 Divinity II: The Dragon Knight Saga (EU) achievements worth 1,000 gamerscore.
You convinced Nericon to let you cross Mardaneus Plaza.
You have resurrected Ygerna.
You have reached the Hall of Echoes.
You have destroyed all of Damian's Flying Fortresses.
You have obtained the shield that will protect you in the Hall of Echoes.
You have discovered Aleroth.
You have upgraded all your Battle Tower platforms to their maximal potential.
You have found the seal that will open the gate to the Hall of Echoes.
You have shown you are either utterly good or evil in Bellegar's cave.
You have found a true Dragon: the Patriarch.
You have brought to justice all of Rivellon's most wanted criminals.
You have read the mind of the three Gremory siblings.
You have killed Charlie the goblin.
You have enchanted an item.
You have cured blindness.
You have discovered the Orobas Fjords.
You have morphed into a Dragon.
You have sent one of your runners on a mission.
You have made use of your skills trainer.
You have found the spell that will reveal the Hall of Echoes.
You have used the Dragon Stone.
You have destroyed Damian's armada and successfully protected your Battle Tower.
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 gained entry to the Maxos Temple.
You collected all the parts of an armor set.
You have summoned your creature.
You scared away the fortune teller.
You have obtained the key to the Maxos Temple.
You correctly answered all of the questions about Lord Lovis.
You have killed Casper.
You met Damian.
You have charmed an item.
You have created a potion.
You have leveled up. Congratulations!
You finished Farglow. Happy hunting!
You have read someone's mind.
You have made use of an illusionist's services.
You have traded with someone.
Kill the Killer Bunny.
HowTo String for achievement 29
HowTo String for achievement 03
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HowTo String for achievement 07
Give Valeri the rarest of runes.
Make Anne's father proud.
Salvage ring, letters, and regurgitating toddler.
HowTo String for achievement 16