Inuyasha the Movie 3: Swords of an Honorable Ruler

Inuyasha and Sesshomaru were never ordinary siblings – they are the offspring of the legendary Great Dog Demon, endowed with immense powers and magical swords from their father. However, they had no idea about a third sword, Sounga, which remained sealed by their father for unknown reasons. Fast forward seven hundred years, Sounga awakens and reveals its devastating potential, becoming a threat to humanity's very existence.With the resurrection of this ancient weapon, Inuyasha and Sesshomaru must put aside their differences and work together to save mankind from an unforeseeable disaster. As they embark on this dangerous quest, the siblings realize that the complex relationship they share with their father is deeply intertwined with the fate of Sounga, challenging them to understand their own identities while facing the formidable power of the awakened sword.