Use a Dried Kelp block as fuel in a furnace.

Eat a Notch Apple.

Befriend five wolves.

Use the Totem of Undying to cheat death.

Defeat an Evoker.

Deal nine hearts of damage in a single hit.

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

Eat a Notch Apple.

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

Collect Dragon's Breath in a Glass Bottle.

Play for 100 days.

Kill a skeleton with an arrow from more than 50 meters.