Mine or purchase 30 Emeralds.

Deal nine hearts of damage in a single hit.

Defeat an Evoker.

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

Defeat an Elder Guardian.

Poison a Witch with a Splash Potion.

Dye all 4 unique pieces of Leather Armor.

Create an Iron Golem.

Craft and place a Sign.

Bribe a Dolphin.

Activate a Conduit.

Increase the level of a Certified Item