Kill the Wither.

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

Stay underwater for one full day without using potions.

Use the Totem of Undying to cheat death.

Gain the trust of an Ocelot.

Ring the bell with a hostile enemy in the village.

Defeat an Evoker.

Defeat a Ravager.

Gather all 16 colours of wool.

Create an Iron Golem.

Place four Sea Pickles in one block.

Give someone a suspicious stew. [Bedrock Only]

Cure a zombie villager.