I am a samurai with supernatural powers

My name is Altair. I have always been passionate about the greatest fighters in the world and mainly those who fought with honor and ferocity. One day I found out who the samurai were, they became my legend. Unfortunately, there is nothing glorious about a samurai in modern times. My dream had to fall by the wayside. Until the day when... [Welcome host].
A cheater and monstrous beasts that threaten the human species, here comes the greatest of samurai