What the hell just happened?

Kill 3 opponents with their own arrows.

Kill 20 cows.

Defeat all the fallen knights and loot their campsites.

Slide downhill uninterrupted for at least 10 seconds.

Finish the "Hearts of Stone" expansion.

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

Use the Axii Sign to force one opponent to kill another. Do this 20 times.

Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.

Kill 10 opponents by knocking them off somewhere high with the Aard Sign.

Have all possible Place of Power bonuses active at the same time.

Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.

Win all the horse races in the game.