You are going to Watch Shakugan no Shana Season 3: Final Episode 21 English dubbed online free episodes with HQ / high quality. Stream Anime Shakugan no Shana Season 3: Final Episode 21 Online English dub One Reason. Shana announces her own plans for the paradise Xanadu, which was to create a law where the Denziens are not allowed to eat humans anymore. Johan talk with Yoshida knowing that his life was coming to an end. Because of this, he formed a plan and also has a message for Wilhelmina from him and Pheles. The van that Yoshida is in, being taken over and controlled, then being fired at and later exploding right in front of Shana and Yuji’s very own eyes.