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