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