Long ago, in feudal Japan, there existed a band of warriors known as the Beast Brigade. One day, members of the Beast Brigade go missing, along with its leader, Yukimura. The only one remaining is Saizo Kirigakure. Concerned for his friends' well-being, Saizo sets out on a quest to discover what happened to them.
Ninja Battle Heroes contains examples of:
- 2½D: Enemies can attack Saizo from the background, though Saizo himself can't go there. He CAN however, throw ninja stars at them, or summon Yuri to unleash a wind attack at them.
- Added Alliterative Appeal: The name of the Beast Brigade invokes this.
- Alliterative Name: The monkey member of the Beast Brigade is Sasuke Sarutobi.
- There's also the villain, Hattori Hanzo.
- Anime Hair: The cast most definitely has this. Just take a look.◊
- Big Ol' Eyebrows: Kosuke Anayama has these.
- Black Bead Eyes: Kosuke has a set of eyes like this. As does Lord Yukimura.
- Black Dot Pupils: Of the cast, Saizo Kirigakure and Seikei Miyoshi have the best examples.
- Brainwashed and Crazy: Most of the boss fights are against members of the Beast Brigade who are under Mind Control. Saizo needs to beat them in order to snap them out of it.
- Cats Are Mean: One of the enemy types is white ninja cats who throw ninja stars at Saizo.
- Everything's Better with Penguins: Jinpachi Nezu. When recruited, he can be summoned to launch an ice stalagmite attack to take out enemies above Saizo.
- Ninja: Naturally. You play as one, and you fight against them.
- Red Is Heroic: Saizo wears a red scarf.
- Spiky Hair: Most of the male cast of the game has this.
- Stock Ninja Weaponry: Saizo's arsenal consists of a katana and ninja stars.
- Timed Mission: The optional objective of some missions is to complete them within a set amount of time.