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