Spawn the Wither.

Build a tower of Scaffolding that reaches the maximum build height.

Feed a dolphin raw cod and have it lure you to treasure.

Use a Dried Kelp block as fuel in a furnace.

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

Levitate up 50 block from the attacks of a Shulker.

Kill a Pillager Captain.

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

Defeat an Elder Guardian.

Use the Totem of Undying to cheat death.

Have all 3 froglights in your inventory

Slide down a honey block to slow your fall. [Bedrock Only]