This article is about a/an event in Sekai Ninja Sen Jiraiya.

The World Ninja War (世界忍者戦 Sekai Ninja Sen?) is the name given to a series of battles fought towards the end of the Showa era among ninjas from across the world. The central figure of this war was Toha Yamaji, who made a name for himself as the legendary World Ninja Jiraiya. Shinobi 34: Enter Jiraiya, Legendary World Ninja!

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