Here is the full list of all 50 Divinity II: The Dragon Knight Saga achievements worth 1,000 gamerscore.
You have upgraded all your Battle Tower platforms to their maximal potential.
You have destroyed all of Damian's Flying Fortresses.
You have brought to justice all of Rivellon's most wanted criminals.
You have found Michael's raft.
You have shown you are either utterly good or evil in Bellegar's cave.
You have cured blindness.
You have found Adah and Mahalath's secret cave.
You correctly answered all of the questions about Lord Lovis.
You gave Valeri a raccoon rune.
You sided with Bellegar.
You convinced Anne to leave Tom. Poor Tom.
You defeated the Engineer.
You convinced Nericon to let you cross Mardaneus Plaza.
You have discovered Aleroth.
You have reached the Hall of Echoes.
You have obtained the shield that will protect you in the Hall of Echoes.
You have resurrected Ygerna.
You have found the seal that will open the gate to the Hall of Echoes.
You have found a true Dragon: the Patriarch.
You have killed Charlie the goblin.
You have read the mind of the three Gremory siblings.
You have morphed into a Dragon.
You have discovered the Orobas Fjords.
You have sent one of your runners on a mission.
You have used the Dragon Stone.
You have made use of your skills trainer.
You have found the spell that will reveal the Hall of Echoes.
You have destroyed Damian's armada and successfully protected your Battle Tower.
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 scared away the fortune teller.
You have obtained the key to the Maxos Temple.
You have summoned your creature.
You finished Farglow. Happy hunting!
You met Damian.
You have read someone's mind.
You have leveled up. Congratulations!
You have charmed an item.
You have created a potion.
You have traded with someone.
You have made use of an illusionist's services.
You have killed the Killer Bunny.
You have killed Casper.
You have enchanted an item.
HowTo String for achievement 06
HowTo String for achievement 07
Salvage ring, letters, and regurgitating toddler.
HowTo String for achievement 16