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