Neito Monoma attempts to use Izuku Midoriya's quirk after copying it, but it results in a "blank." It is revealed that Monoma cannot replicate quirks that require a stockpiling of power or energy, such as One For All.
Episode 11 of Boku no Hero Academia Season 5, titled (or Episode 99 overall), concludes the intense final match of the Joint Training Arc. Key Plot Points Boku no Hero Academia 5th Season Episode 11
Successfully binds Shinso with Blackwhip and provides a vague explanation of his "new power" to teammates. Neito Monoma attempts to use Izuku Midoriya's quirk