Here is the full list of all 52 The Witcher 2: Assassins of Kings Enhanced Edition achievements.
Help Roche rescue Anais from the Kaedweni camp.
Acquire the Sense of Magic ability.
Enhance abilities using mutagens at least five times.
Stop Roche from killing Henselt.
Kill a foe by deflecting his own arrow at him.
Relive all of Auckes's memories in Dethmold's vision.
Seduce Ves.
Defeat all opponents in the Kaedweni arena.
Tour the camp with Zyvik.
Hit Count Etcheverry using the ballista.
Finish the game by killing Letho.
Spare or save Saskia.
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.
Finish all quests involing the destruction of monster nests.
Perform three successful ripostes in a row.
Craft a suit of armor from elements of the kayran's carapace.
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.
Bow before the Sun at a Summer Shrine.
Find all additional information about the insane asylum's history.
Intimidate someone.
Kill the kayran.
Achieve character level 10.
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.
Kill more than one opponent using a single exploding bomb.
Hire a craftsman to create an item.
Use alchemy to brew five potions or oils.
Brew the ostmurk potion.
Drink one potion.
Finish the Prologue.
Kill 10 foes in a row without losing any Vitality.
Finish the game while playing at the Insane difficulty level.
Cut off a tentacle using the kayran trap.
Achieve character level 35.
Acquire the Mutant ability.
Collect 10000 orens.
Kill all the trolls in the game.
Help Iorveth find the dagger needed to free Saskia from the spell that holds her.
Roll five-of-a-kind at dice poker.