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