Episode 40

The Deadly Trap of Kagura the Wind Sorceress! is the fortieth episode of the InuYasha anime.

Synopsis

 * 1) Kōga continues his fierce attack on Inuyasha, and Inuyasha is grievously injured by the wolf demon.
 * 2) Kagura reveals to Kōga that she set the whole thing up, and was the one who slaughtered his comrades; Kagura also reveals that the shard in Kōga's arm was a fake, and it poisons him, though Kagome is able to purify the poison.
 * 3) With Kagome's help, Inuyasha unleashes the Kaze no Kizu on Kagura; she manages to survive and furiously confronts Naraku, asking why he deceived her and didn't warn her about the power of Tessaiga.
 * 4) Naraku shows that he possesses Kagura's heart in his very hands, which is why he has complete control over her; Naraku states that she was created from a part of him.

Summary
Kagura frames Inuyasha by using her powers and causes Inuyasha to be covered in the blood of Kōga's wolf pack, which pushed him into a rage, and he attacks Inuyasha before learning the truth, that it was all a ruse.