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