Stop starvation using Rotten Flesh.

Use a saddle to ride a pig, then have the pig get hurt from fall damage while riding it.

Connect three chests to a single furnace using three hoppers. [Bedrock Only]

Build some bookshelves to improve your enchantment table.

Construct a Dispenser.

Destroy Herrah the Beast

Rescue 10 escaped conduits from angry mobs

Practice self-control

Comet Drop on three coughing enemies

Use a Karmic Streak attack to defeat exactly one enemy

Reach level 10

Destroy Lurien the Watcher