Breed two Pandas with Bamboo.

Stay underwater for one full day without using potions.

Grow sniffer seeds (plant any sniffer seed)

Deal nine hearts of damage in a single hit.

Teleport over 100 meters from a single throw of an Ender Pearl.

Trade for 1,000 Emeralds. [Bedrock Only]

Bounce 30 blocks upward off a Slime Block.

Create and fully power a Beacon.

Defeat MODOK and the Kree

Push a piston with a piston, then pull the original piston with that piston. [Bedrock Only]

Have all 3 froglights in your inventory

Use a Dried Kelp block as fuel in a furnace.