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