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