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