The Witcher 3: Wild Hunt achievements

Win a round of gwent with a total strength of at least 187.

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

Collect all the cards in the Skellige deck.

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

Acquire all the Abilities in one tree.

Defeat all the fallen knights and loot their campsites.

Perform 10 effective counterattacks in a row without getting hit or parrying.

Find all grandmaster diagrams for each witcher school.

Finish the game on the "Blood and Broken Bones!" or "Death March!" difficulty levels.

Unlock the bonus for equipping all the witcher gear elements from one School.

Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.

Destroy all monster nests in the Velen / Novigrad region, or in Skellige.