AdventureMedium
Is It a Balloon?
Look at a Ghast through a Spyglass
How to Complete
Use a spyglass to look at a Ghast in the Nether. Craft the spyglass and bring it to the Nether, then zoom in on a Ghast floating in the distance.
Details
Advancement Tree
Parent Advancement
Is It a Bird?
Look at a Parrot through a Spyglass