Eat nothing but Kelp for 3 days.

Stay underwater for 2 minutes.

Activate a Conduit.

Discover 17 of 40 biomes.

Mine 1,728 Cobblestone and place it in a chest.

Walk across the surface of a deep ocean by freezing the water with Frost Walker boots.

Use the Totem of Undying to cheat death.

Levitate up 50 block from the attacks of a Shulker.

Kill a Mob while wearing the same type of Mob Head.

Teleport over 100 meters from a single throw of an Ender Pearl.

Tame a Horse.

Dry a Sponge in a Furnace.