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