Engine: Tenya Iida’s Quirk in My Hero Academia explained

Within the vibrant world of My Hero Academia, populated by heroes with remarkable abilities, Tenya Iida stands tall with his distinctive, engine-based Quirk. 

A student of U.A. High School and the class representative of Class 1-A, Iida hails from a lineage of heroes and is deeply committed to upholding their legacy. This piece provides an in-depth exploration of Iida’s Quirk, its functionalities, and its limitations.

Core Dynamics

Tenya Iida possesses the Quirk named “Engine.” True to its title, this Quirk gives him car-like engines in his calves. These engines allow him to achieve incredible speeds, making him one of the fastest students in his batch.


Superhuman Speed: The primary advantage of this Quirk is the ability to move at speeds that rival vehicles. This makes him an asset in missions requiring swift evacuations, chasing down villains, or rapidly covering large distances.

Enhanced Agility: Alongside speed, Iida’s Quirk grants him heightened agility. This allows him to maneuver efficiently, dodge attacks, and change direction with impressive precision.

Kick-Based Combat: Given the powerful engines in his calves, his combat style naturally leans towards kicks. He delivers powerful, speed-enhanced kicks that can incapacitate adversaries.

Advanced Techniques 

Over time, with rigorous training and real-world experiences, the super-fast hero develops specialized techniques leveraging his Quirk:

Recipro Burst: A short-term speed boost technique, Recipro Burst involves him over-revving his engines to attain momentary, explosive speeds. It’s a useful tactic for when he needs to make quick escapes or land a surprise attack.

Recipro Extend: Post the activation of Recipro Burst, Iida’s engines temporarily stall. However, with the introduction of this technique, he can extend the operational time of Recipro Burst, giving him a longer window of enhanced speed.

Recipro Turbo: A culmination of his intense training, this technique allows Iida to sustain heightened speeds for an extended duration, drastically improving his overall mobility in combat and missions.

Tenya Iida 2
Image Source: Bones Inc.


Stamina Drain: Utilizing his engines, especially during advanced techniques like Recipro Burst, exhausts the hero’s stamina. Extended use can tire him out, reducing his effectiveness in prolonged battles.

Cooling Down: After activating techniques like Recipro Burst, his engines overheat and require a cooldown period. During this time, the efficiency of his Quirk is considerably reduced.

Maintenance: Iida’s engines, much like actual vehicle engines, need regular maintenance. This involves activities like removing build-up to keep them functioning at optimal levels.

Character Implications

The “Engine” Quirk profoundly intertwines with Iida’s growth and storyline. 

As a descendant of an esteemed family, known for their Turbo Hero lineage, there’s an inherent pressure on him to honor and further the legacy. His Quirk serves as a constant reminder of this responsibility.

Throughout the series, viewers witness Iida’s journey of grappling with the weight of his family’s legacy, especially after incidents that involve his elder brother. 

The evolution of his Quirk, from basic sprints to advanced techniques like Recipro Turbo, mirrors his growth as a hero and a leader.

Also Read: Decay: Shigaraki Tomura’s Quirk in My Hero Academia explained

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