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