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