In "Ninja Gaiden" (2004), the Hayabusa Ninja clan was annihilated including Ryu's childhood friend Kureha, and the Dark Dragon Blade was stolen by the evil Lord of the Greater Fiends Doku and his minions.
In "Ninja Gaiden" (2004), the Hayabusa Ninja clan was annihilated including Ryu's childhood friend Kureha. The Dark Dragon Blade was stolen by the evil Lord of the Greater Fiends Doku. The Dark Dragon Blade was stolen by the evil Lord of his minions.