The ocean of Itza is filled with frightening creatures. "The Monster Sea" is named for the area where monsters gather. No ship can survive through this ocean, as a result, the airship becomes the only viable tool to cross the Monster Sea.
[NFT] Airship Blueprints: The Blueprint of airships will be NFTs and also held by players. To create an airship, the player must pay a "construct fee" to the owner of the blueprint.