Be decorated with the Order of Vitis Vinifera.
Serve time in Toussaint.
Kill a frozen opponent with a crossbow bolt.
Obtain a flawless victory in all the competitions during the knights' tourney.
Find all grandmaster diagrams for each witcher school.
Be given Aerondight by the Lady of the Lake.
Collect all the cards in the Skellige deck.
Unlock the bonus for equipping all the witcher gear elements from one School.
Help unite the warring vineyards and have a wine named in your honor.
Develop a mutation.
Use all available options for developing Corvo Bianco.
Kill Golyat with a crossbow bolt to his eye.
Travel to the Duchy of Toussaint.
Kill 20 cows.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Defeat all the fallen knights and loot their campsites.
Be under the influence of seven potions or decoctions at the same time.
Kill 3 opponents with their own arrows.
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.
Buy all the items put on the block at the Borsodis' Auction House.
Participate in all the activities at the wedding.
Kill the prince cursed into a toad.
Collect all trophies.
Reach character development level 35.
Kill 50 human and nonhuman opponents by striking them in the head with a crossbow bolt.
Finish the game on the "Blood and Broken Bones!" or "Death March!" difficulty levels.
Finish the game on the "Death March!" difficulty level.
Finish the game on any difficulty.
Defeat Eredin.
Complete all witcher contracts.
Fill all mutagen slots.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Take part in the assassination of King Radovid.
Complete the contract on Morvudd.
Find and equip all the elements of one set of witcher gear.
Find Ciri.
Complete the contract on Therazane.
Have all possible Place of Power bonuses active at the same time.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Destroy 10 monster nests using bombs.
Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.
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.
Perform 10 effective counterattacks in a row without getting hit or parrying.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Acquire all the Abilities in one tree.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Defeat Olaf, the Skellige champion of unarmed combat.
Complete the contract on Sarasti.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Acquire all gwent cards available in the base version of the game.
Win a round of gwent using only neutral cards.
Discover 100 fast travel points.
Slide downhill uninterrupted for at least 10 seconds.
Win a round of gwent with a total strength of at least 187.
Complete the contract on the Woodland Spirit.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Win all the horse races in the game.
Complete the subplot about choosing Skellige's ruler.
Help Yennefer extract information from Skjall's body.
Find and free Dandelion.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Collect the formulae for 6 different bomb types.
Resolve the doppler problem in Novigrad.
Complete the contract on the shrieker.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Play three hero cards in one round of gwent and win the match.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Defeat an opponent in a fistfight without taking any damage.
Find the baron's wife and daughter.
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Complete the subplot involving Keira Metz.
Learn 12 potion formulae.
Read 30 books, journals or other documents.
Find Yennefer of Vengerberg.
Kill at least 5 opponents in under 10 seconds.