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