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