Bosses are NPCs you fight at the end of a map.
Skywatch
King Tortox
The old Skywatch boss was called King Tortox.
The old Skywatch Boss had a large, reptile-like head with a scaly rim. It had a sort of armor-plate on its head with two big red gems. It had amber eyes, and three horns. The boss sports a large, purple, turtle-like shell with a big horn on the middle. Its arms had similar scaly armor on them, as well as prominent purple claws. It has large, purple feet and three black claws on each, and two wings on its back that seem like the dream wand.
Barnacle Cove
Captain Bully
Captain Bully was a bull with a hat and a crew of 4 more bulls on a pirate ship. He was the final boss of Barnacle Cove.
Bonfire Spire
Slow-Cooker appeared to be a 4 legged red beast, much like the color of Embershed's, with green eyes.. It had 4 black spikes, the middle on being bigger than the other, claws on the feet, and a grey metal circle with a chain at the end. It has a gold helmet, and a "furry" like back leg. It's most notable feature is the flames coming out of the back, with a smaller flame coming out of its front leg. It has a brown-tan bull called Fire Viking riding it, also with green eyes, and a viking like hat.. It has big muscles with a dagger in an un-seeable hand. It also has a huge grey, metal, chestplate, which only part of it is shown.
Dyno Dig Oasis
It appeared to be a cow named Moog in an explorer outfit and hat riding a velociraptor called Primo.
Firefly Forest
Kronx
Kronx was a golem boss, similar to Gerald. Unlike Gerald, Kronx had a swirly emblem on his chest.
Kronx can easily be defeated by a Fire element pet, like Embershed.
Shiverchill Mountains
Muffins
Ice Wyrm
Dark Tower
Mira Shade
Mira Shade is the final battle of the old Dark Tower.
The old Mira Shade had 2 big wings on her back, made out of blue, and purple crystals. These were surrounding her back.
References
https://prodigy-math-game.fandom.com/f/p/4400000000000003916/r/4400000000000290739