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