Here is the full list of all 52 The Witcher 2: Assassins of Kings Enhanced Edition achievements.
Spare all trolls in the game.
Roll five-of-a-kind at dice poker.
Finish the game while playing at the Insane difficulty level.
Stop Roche from killing Henselt.
Relive all of Auckes's memories in Dethmold's vision.
Seduce Ves.
Defeat all opponents in the Kaedweni arena.
Kill the dragon.
Help Roche rescue Anais from the Kaedweni camp.
Tour the camp with Zyvik.
Kill more than one opponent using a single exploding bomb.
Bow before the Sun at a Summer Shrine.
Save Síle from dying in the unstable portal.
Finish the game by killing Letho.
Finish the game at any difficulty level.
Finish the game by sparing Letho.
Reach the Epilogue of the game.
Spare or save Saskia.
Leave Síle to die in the unstable portal.
Enhance abilities using mutagens at least five times.
Collect 10000 orens.
Finish all quests involing the destruction of monster nests.
Achieve character level 35.
Help Iorveth find the dagger needed to free Saskia from the spell that holds her.
Bow to Death at a Winter Shrine.
Complete Chapter 2.
Kill three foes at once by performing a group finisher.
Kill the draug.
Perform three successful ripostes in a row.
Sneak through the lower camp without raising the alarm.
Kill 500 foes.
Use alchemy to brew five potions or oils.
Acquire the Sense of Magic ability.
Acquire the Mutant ability.
Acquire the Combat Acumen ability.
Kill all the trolls in the game.
Complete Chapter 1.
Craft a suit of armor from elements of the kayran's carapace.
Kill the kayran.
Achieve character level 10.
Cut off a tentacle using the kayran trap.
Find all additional information about the insane asylum's history.
Successfully sneak through Loredo's garden and find the component of the kayran trap.
Win an arm wrestling match, a dice poker game and a fist fight.
Kill a foe by deflecting his own arrow at him.
Brew the ostmurk potion.
Hire a craftsman to create an item.
Finish the Prologue.
Intimidate someone.
Kill 10 foes in a row without losing any Vitality.
Hit Count Etcheverry using the ballista.
Drink one potion.