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