Deal nine hearts of damage in a single hit.

Use a saddle to ride a pig, then have the pig get hurt from fall damage while riding it.

Gather all 16 colours of Wool.

Respawn the Enderdragon.

Enter an End Portal.

Discover 17 of 40 biomes.

Lead a caravan containing at least 5 Llamas.

Stay underwater for 2 minutes.

Use the Totem of Undying to cheat death.

Use a Dried Kelp block as fuel in a furnace.

Defeat an Elder Guardian.

Place four Sea Pickles in one block.

Bounce 30 blocks upward off a Slime Block.