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 by killing Letho.
Finish the game while playing at the Insane difficulty level.
Finish the game at any difficulty level.
Finish the game by sparing Letho.
Spare or save Saskia.
Help Iorveth find the dagger needed to free Saskia from the spell that holds her.
Kill the dragon.
Achieve character level 35.
Reach the Epilogue of the game.
Save Síle from dying in the unstable portal.
Leave Síle to die in the unstable portal.
Help Roche rescue Anais from the Kaedweni camp.
Finish all quests involing the destruction of monster nests.
Roll five-of-a-kind at dice poker.
Sneak through the lower camp without raising the alarm.
Complete Chapter 2.
Stop Roche from killing Henselt.
Kill all the trolls in the game.
Kill the draug.
Relive all of Auckes's memories in Dethmold's vision.
Craft a suit of armor from elements of the kayran's carapace.
Kill 500 foes.
Perform three successful ripostes in a row.
Enhance abilities using mutagens at least five times.
Collect 10000 orens.
Seduce Ves.
Kill a foe by deflecting his own arrow at him.
Defeat all opponents in the Kaedweni arena.
Acquire the Mutant ability.
Acquire the Sense of Magic ability.
Tour the camp with Zyvik.
Kill three foes at once by performing a group finisher.
Acquire the Combat Acumen ability.
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.
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.
Finish the Prologue.
Win an arm wrestling match, a dice poker game and a fist fight.
Intimidate someone.
Kill more than one opponent using a single exploding bomb.
Use alchemy to brew five potions or oils.
Drink one potion.
Kill 10 foes in a row without losing any Vitality.
Hit Count Etcheverry using the ballista.