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The chapter showcases Jack's ability to maintain a calm, analytical demeanor while preparing to face a creature that would terrify most professional fighters.

In (2018) Chapter 108, titled "Clumps of Vital Points" (急所ノ塊), the narrative focuses on Jack Hammer’s return and the terrifying evolution of his fighting style, Goudou (噛道 - the Way of Biting). Chapter 108 Summary The chapter showcases Jack's ability to maintain a

Jack observes the beast and concludes that for a master of Goudou, the opponent is no longer a collection of specific targets like the eyes or throat. Instead, Jack views the entire body as a "clump of vital points." Instead, Jack views the entire body as a

He posits that anywhere he bites will result in massive hemorrhaging, effectively making every square inch of his opponent a fatal weakness. Key Highlights of Jack's Evolution titled "Clumps of Vital Points" (急所ノ塊)

Jack has formalized biting into a legitimate "do" (way/path), treating it with the same technical discipline as Karate or Judo.

For those looking to read the series officially, it is serialized in Weekly Shounen Champion by Akita Shoten.