Naruto: Blackbeard Template

Reborn into the Naruto world with a disastrous beginning, Kirito should have died before the story even started. But fate offered him another path. A Template System descended— And his first template was End-of-Series Blackbeard, Marshall D. Teach. With the bloodline of Rocks D. Xebec, the terrifying dual powers of Darkness and Tremor, and Haki powerful enough to crush wills, he becomes a calamity the shinobi world was never meant to face. In a world ruled by chakra and bloodline limits— He brings the law of piracy to the world of ninjas.