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