Spawn the Wither.

Poison a Witch with a Splash Potion.

Create and fully power a Beacon.

Deal nine hearts of damage in a single hit.

Defeat an Elder Guardian.

Dye your bed a different color.

Stay underwater for one full day without using potions.

Place four Sea Pickles in one block.

Completely clean the Carousel without turning it off

In the Treehouse, complete all of the lanterns first

Own the Prime Vista 3000 and five of its attachments

Complete "The Assault on Fort Mercer".