Kekkaishi Episode 51 English Dubbed Episode Title:Yoshimori and Kaguro.Episode Description:Kaguro says that one must cut ties with humankind in order to become stronger. Tokine and Sen appear to show how Kaguro's blades could penetrate the barriers. When Kaguro charges at Yoshimori again, Sen steps in to deflect the attack. All of a sudden, Yoshimori instinctively unleashes a shinkai (true barrier) to defeat Kaguro. Yoshimori loses consciousness in the process, trapping both Sen and himself within. Although the Yagyou arrives, they are left helpless, as they can only stand back. Sen attempts to wake Yoshimori up, while Masamori tries to break through using his absolute barrier.