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