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