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