While Kirishima acts as the shield, Fat Gum reveals his own hidden power—converting absorbed kinetic energy from Rappa's punches into a single, devastating "spear" punch that shatters the villains' defense. Dub & Production Highlights

This episode shifts focus from the main cast to highlight the deep bond between Kirishima and the Pro Hero as they face off against the "spear and shield" villain duo, Rappa and Tengai.

Season 4, Episode 9 of My Hero Academia (Dub), titled is widely considered a masterclass in character writing, finally giving Eijiro Kirishima his defining "Origin" moment. The "Unbreakable" Resolve

This episode serves as a powerful parallel to Deku’s journey, showing that heroism isn't just about strength, but about overcoming the instinct to freeze when lives are on the line.

Unlike many heroes who naturally jump into danger, we learn Kirishima’s "manliness" is a hard-won trait. In middle school, he was paralyzed by fear while his classmate Mina Ashido bravely intervened during a villain encounter.

The English dub features a standout performance by Justin Cook as Kirishima, capturing the character's raw vulnerability and eventual triumph.

A holographic interview with his idol, Crimson Riot , reveals that even top heroes feel fear; what matters is the "spirit to never hesitate again".