Using the Frost Walker boots, walk on at least 1 block on frozen water on a deep ocean.

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

Power a Furnace with Lava.

Dry a Sponge in a Furnace.

Respawn the Enderdragon.

Spawn the Wither.

Throw diamonds at another player.

Stop starvation using Rotten Flesh.

Craft and place a Flower Pot.

Trade for the best possible price.

Trade with a villager at the build height limit

Deal nine hearts of damage in a single hit.