Gintoki, Kagura, Shinpachi, Kondo, and Hijikata are the only five remaining who can protect the shogun from the Yato onslaught.
So these are real ninja arts.
هذه هي فنون النينجا الحقيقية
Estas son las verdaderas 
técnicas ninja, ¿eh?
Então as verdadeiras 
artes ninjas são assim.