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