Enter an End Portal.

Throw diamonds at another player.

Travel by minecart to a point at least 500m in a single direction from where you started.

Dry a Sponge in a Furnace.

Catch and cook a fish!

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.

Defeat an Evoker.

Attack and destroy a monster.

Defeat an Elder Guardian.

Use the Totem of Undying to cheat death.

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