Enter an End Portal.

Stop starvation using Rotten Flesh.

Make the Meadows come alive with the sound of music from a jukebox

Create an Iron Golem.

Gain the trust of an Ocelot.

Dye all 4 unique pieces of Leather Armor.

Build some bookshelves to improve your enchantment table.

Turn wheat into bread.

Levitate up 50 block from the attacks of a Shulker.

Kill the Wither.

Kill a Pillager Captain.

Defeat an Elder Guardian.