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

Power a Furnace with Lava.

Stay underwater for one full day without using potions.

Activate a Conduit.

Use an Elytra to fly through a 1 by 1 gap while moving faster than 40 m/s.

Respawn the Enderdragon.

Eat a Notch Apple.

Spawn the Wither.

Wear a full suit of Iron Armour.

Smelt Wood Trunks using Charcoal to make more Charcoal.

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

Craft and place a Sign.

Swim in lava while having the Fire Resistance effect.