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