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