Travel by minecart to a point at least 500m in a single direction from where you started.

Cure a zombie villager.

Respawn the Enderdragon.

Kill a skeleton with an arrow from more than 50 meters.

Gather all 16 colours of wool.

Collect Dragon's Breath in a Glass Bottle.

Enter an End Portal.

Levitate up 50 block from the attacks of a Shulker.

Brew a potion.

Cook and eat rabbit meat. [Bedrock Only]

Defeat an Elder Guardian.

Spawn the Wither.

Stay underwater for 2 minutes.