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