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