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