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

Place 9 fully explored, adjacent Maps into 9 Item Frames in a 3 by 3 square.

Construct a Nether Portal.

Move and place a Bee Nest, with 3 bees inside, using Silk Touch. [Bedrock Only]

Trade for 1,000 Emeralds. [Bedrock Only]

Acquire 30 Emeralds by trading with villagers or mining.

Build some bookshelves to improve your enchantment table.

Smelt wood trunks using charcoal to make more charcoal.

Use a Dried Kelp block as fuel in a furnace.

Defeat an Evoker.

Kill a Mob while wearing the same type of Mob Head.

Defeat an Elder Guardian.

Deal nine hearts of damage in a single hit.