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