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