Be decorated with the Order of Vitis Vinifera.

Collect all the cards in the Skellige deck.

Use all available options for developing Corvo Bianco.

Obtain a flawless victory in all the competitions during the knights' tourney.

Find all grandmaster diagrams for each witcher school.

Finish the "Hearts of Stone" expansion.

Buy all the items put on the block at the Borsodis' Auction House.

Finish the game on any difficulty.

Visit Tir ná Lia and convince Ge'els to betray Eredin.

Reach character development level 35.

Bring all possible allies to Kaer Morhen for the battle against the Hunt.

Slide downhill uninterrupted for at least 10 seconds.