Find all grandmaster diagrams for each witcher school.
Unlock the bonus for equipping all the witcher gear elements from one School.
Develop a mutation.
Serve time in Toussaint.
Be decorated with the Order of Vitis Vinifera.
Use all available options for developing Corvo Bianco.
Kill a frozen opponent with a crossbow bolt.
Help unite the warring vineyards and have a wine named in your honor.
Obtain a flawless victory in all the competitions during the knights' tourney.
Be given Aerondight by the Lady of the Lake.
Defeat all the fallen knights and loot their campsites.
Finish the "Hearts of Stone" expansion.
Provoke all Iris von Everec's Nightmares into fighting you at the same time and defeat them.
Recreate all of Iris' nightmares in the Painted World.
Participate in all the activities at the wedding.
Buy all the items put on the block at the Borsodis' Auction House.
Kill the prince cursed into a toad.
Kill 3 opponents with their own arrows.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Collect all trophies.
Kill 50 human and nonhuman opponents by striking them in the head with a crossbow bolt.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Finish the game on the "Death March!" difficulty level.
Finish the game on any difficulty.
Finish the game on the "Blood and Broken Bones!" or "Death March!" difficulty levels.
Defeat Eredin.
Have all possible Place of Power bonuses active at the same time.
Find and equip all the elements of one set of witcher gear.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Slide downhill uninterrupted for at least 10 seconds.
Reach character development level 35.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Defeat Olaf, the Skellige champion of unarmed combat.
Win all the horse races in the game.
Take part in the assassination of King Radovid.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Find Ciri.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Complete all witcher contracts.
Fill all mutagen slots.
Complete the contract on Morvudd.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Complete the subplot about choosing Skellige's ruler.
Complete the contract on Therazane.
Win a round of gwent with a total strength of at least 187.
Kill 20 cows.
Be under the influence of seven potions or decoctions at the same time.
Acquire all gwent cards available in the base version of the game.