Harvest some leather.

Kill the Enderdragon.

Hit the bullseye of a Target block [Bedrock Only]

Kill the Wither.

Spawn the Wither.

Create an Iron Golem.

Gain the trust of an Ocelot.

Create and fully power a Beacon.

Place 9 fully explored, adjacent Maps into 9 Item Frames in a 3 by 3 square.

Wear a full set of Netherite armor [Bedrock Only]

Use planks and sticks to make a sword.

Brew a potion.

Bake a cake using wheat, sugar, milk and eggs!