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