The Bull Demon King is the boss Book 5, chapter 8. It has 30 hearts. It is based on a demonic bull from Chinese legends.
|Charge||Rams Lex||The bull charges Lex|
|Fury Stomp||Cursed Tile||The bull stomp the ground and let the tile be cursed.|
|Shields Bull Demon King||A shield protects the Bull Demon King.|
|Fiery Armor||Fires and Poisons Lex||The Bull stomps 2 times.|
- It is the only boss that does not have the armored status on the right.