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