Ep. 12: Logan fights Shingen while Hideki destroys his father's legacy and Mariko dies from a stray bullet.

12

Logan sustains nasty wounds as he fights Shingen. Kikyou prevents Hideki from using a powerful poison dart gun on Logan, then helps a wounded Yukio. Hideki takes Mariko to the catacombs and reveals it was he himself that killed his father to take over, then sets the building to self-destruct. After much fighting, Logan and Yukio finally slaughter Shingen, Yukio confessing to killing Asumo before she dies. Logan pursues Hideki, then he endures a poison dart but manages to use it against Hideki. However Mariko has been hit by a stray bullet, but they share a kiss before she dies. In the post-credits, Logan and Kikyou start the battle that they had postponed. (Source: Wikipedia)