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