American Comics: I, the Saber-Toothed Tiger, Start with the Eight-Door Armor!

Chakra: 1. Body energy absorbed from the 130 trillion cells of the human body. 2. Mental strength. 3. Immortal magic is combined with natural energy. Travel through the Marvel world to become a saber-toothed tiger and gain a ninjutsu system. With a body as strong as the Hulk and mental power as strong as the Ancient One, I don't know what kind of chakra I can extract. Wolverine: "Brother, I want to learn Eight Gates Dunjia!" Thor: "Thunder Ninjutsu? This is even more powerful than my God of Thunder!" Ancient One: "Multiple shadow clones? Even more powerful than my form of Ikeen!" Doctor Strange: "I don't believe it! All these years of medicine I've studied have been in vain? How can there be such a thing as healing?" … A trend of ninjutsu is gradually spreading in the Marvel world... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.