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.
Save Síle from dying 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 Combat Acumen ability.
Complete Chapter 2.
Kill the draug.
Sneak through the lower camp without raising the alarm.
Kill 500 foes.
Spare all trolls in the game.
Use alchemy to brew five potions or oils.
Complete Chapter 1.
Hire a craftsman to create an item.
Intimidate someone.
Find all additional information about the insane asylum's history.
Achieve character level 10.
Win an arm wrestling match, a dice poker game and a fist fight.
Kill the kayran.
Drink one potion.
Brew the ostmurk potion.
Finish the Prologue.
Kill a foe by deflecting his own arrow at him.
Kill 10 foes in a row without losing any Vitality.
Finish the game while playing at the Insane difficulty level.
Kill the dragon.
Craft a suit of armor from elements of the kayran's carapace.
Cut off a tentacle using the kayran trap.
Acquire the Mutant ability.
Acquire the Sense of Magic ability.
Kill more than one opponent using a single exploding bomb.
Collect 10000 orens.
Enhance abilities using mutagens at least five times.
Perform three successful ripostes in a row.
Kill three foes at once by performing a group finisher.
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.
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.
Leave Síle to die in the unstable portal.
Finish the game by killing Letho.
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.
Bow to Death at a Winter Shrine.