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