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