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