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