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My Hero Ultra Rumble S4: Izuku Midoriya (Full Bullet) Analysis

Last Updated: October 25, 2025

Izuku Midoriya Full Bullet in My Hero Ultra Rumble Season 4, unleashing One For All.

The battle for supremacy in MY HERO ULTRA RUMBLE was fundamentally altered with the launch of Season 4, which introduced one of the most anticipated characters to date: Izuku Midoriya (Full Bullet). Released on May 22, 2024, this new version of Deku brought the full, unrestrained power of One For All to the free-to-play battle royale, delivering a high-octane playstyle that reshaped the game's meta.

Available on PlayStation 4, Xbox One, Nintendo Switch, and PC, Season 4 not only added this powerful new hero but also introduced significant map changes and a fresh ranked ladder for players to conquer.

Deku Unleashed: The Full Bullet Quirk Set

The undisputed star of Season 4 is Izuku Midoriya (Full Bullet), a powerful Strike-type character representing Deku after gaining mastery over multiple Quirks inherited through One For All. His kit is a masterclass in aggressive mobility and overwhelming offense, making him a terrifying force in any engagement. His gameplay encourages a high-risk, high-reward loop, demanding players go on the offensive to dominate the arena.

His Quirk Set includes:

  • Blackwhip: A cornerstone of his kit, this Quirk provides unmatched mobility and utility. Deku can grapple onto terrain to rapidly reposition, chase down fleeing opponents, or make a swift escape. It can also be used offensively to pull enemies in, setting them up for devastating follow-up attacks.
  • Fa Jin Strike: This high-speed dash attack allows Deku to close the distance instantly. It's the perfect tool for initiating fights with explosive force or catching players off guard, cementing his role as a relentless pursuer.
  • Full Blast: To round out his arsenal, Deku has a potent ranged projectile. This gives him a crucial option for poking and pressuring teams from a distance before committing to a close-quarters assault with his other abilities.

The Price of Power: One For All 100%

What truly defines this iteration of Deku is his Special Action, "One For All 100%." When activated, he enters a supercharged state, temporarily boosting the power, speed, and overall effectiveness of all his Quirks. In this form, he becomes an unstoppable whirlwind of destruction capable of single-handedly wiping out entire teams.

However, this immense power comes at a steep cost. Using this ability constantly drains Deku’s own HP, positioning him as a definitive "glass cannon." Players must strategically calculate the perfect moment to unleash this ultimate power. A well-timed activation can secure a victory, but a reckless one can leave Deku dangerously vulnerable and easily eliminated. This self-damaging mechanic forces a tactical approach, constantly weighing the potential for a game-winning play against the risk of self-destruction.

Season 4's Broader Impact

Beyond the new hero, Season 4 refreshed the entire game experience. The launch kicked off a new ranked period, resetting all player ranks and providing a clean slate for competitive play.

Crucially, the season also brought a major environmental shift with the collapse of the U.A. Island’s dome. This permanently altered the game's primary map, creating new points of interest, destroying old landmarks, and forcing all players—veterans and newcomers alike—to learn new rotations and strategies. The update also introduced a new collection of cosmetic items, most notably the fan-favorite "Vigilante Deku" outfit, giving players new rewards to strive for.

The Full Bullet Meta: A New Apex Predator

The arrival of Izuku Midoriya (Full Bullet) sent immediate shockwaves through the established meta. His combination of extreme mobility with Blackwhip and immense burst damage from his empowered state solidified him as a top-tier character upon release. He thrives in aggressive, dive-heavy team compositions designed to hunt down and eliminate opponents quickly.

His presence forced a tactical shift for defensive characters like Cementoss and Mt. Lady, whose fortifications could be easily bypassed by his aerial prowess. He also provided stiff competition for other high-tier Strike characters like Shigaraki and Bakugo. Countering him requires coordinated team fire, especially during the brief cooldowns of his abilities. Teams that learned to bait out and punish his HP loss after he used his Special Action found the most success in containing this new threat. Season 4 was more than just an update; it was a fundamental redefinition of how MY HERO ULTRA RUMBLE is played at its highest levels.