Engine: Tensei's Quirk is that he has engines in his arms, allowing him to release propulsion jets from his elbows and shoot himself forward at turbo speed. Tensei needs to fuel his engines by drinking grapefruit juice. He can hover a foot or so off the ground and relies on the propulsion from his arms to move at super speed. He has been seen using his Quirk to move faster than cars in a chase sequence. Unlike his younger brother, Tenya, Tensei's Quirk does not seem to have gears and can hit max speeds in an instant; however, he finds it difficult to brake and turn while moving at top speeds and compensates by installing airbags in his hero costume.
Recipro Burst: By over-torquing his engines, Tensei is able to produce an explosive burst of speed. This also causes his engines to overheat.
Rocket Charge: Tensei's hero costume increases and focuses his engines' output, affording him greater acceleration and launching him into the air, like a rocket. This causes his engines to stall.
Keen Intellect: Tensei has shown to possess an excellent intellect as well as a strategic mind. Most notably, Tensei is aware that he can't brake and turn properly using his Engine Quirk, so to compensate for this drawback, he had airbags installed into his hero costume. After Koichi Haimawari explained the mechanics behind his Slide and Glide Quirk, including the difficulty of stopping when it comes to building too much momentum, Tensei suggested that Koichi offset the momentum build-up by imagining that he is accelerating in the opposite direction, rather than thinking of it as "stopping". Tensei's advice proved very effective, as Koichi can now slide himself backwards, correcting the long-term problem he had with his Quirk. Prior to encountering the Bat Villain the second time, Tensei had his airbags removed from his hero costume to eliminate excess weight, so that he can keep up with the Bat Villain. This strategy, however, puts Tensei at risk of seriously injuring himself in the event that he is attacked by the Bat Villain mid-chase, just like in their first confrontation. In addition, Tensei had prepared a safety blockade that was meant to stop the high-speed villain in his tracks, but Tensei didn’t expect him to fly away using a Bat Quirk, which Tensei realized was the means behind the Bat Villain's first escape. After the Bat Villain attempted to make a second escape, Tensei, having quickly surveyed the town of Naruhata, realized how the intricate roads made it more difficult for him to navigate than expected. At the same time, Tensei surmised that Bat Villain was using the darkness of the night sky in tandem with his Bat Quirk to become even more arduous to capture. While trying to tame the Monster Cat that had merged with a bus, Tensei was fully cognizant that subduing the merged entity with external force would be problematic due to its size. Thanks to Knuckleduster diverting the path of the Monster Cat, Tensei measured the rate of speed the latter possessed and was able to calculate a time limit of 5 minutes before the Instant Villain reached the end of the road.
Leadership Skills: Tensei is a strong leader, which has been displayed on multiple occasions. He carefully directed Team Idaten to a location on the Naruhata district highway to place a safety blockade in order to trap the Bat Villain. Tensei was even able to calm the passengers that were onboard the bus that the Monster Cat had overshadowed, and instructed Team Idaten to match the speed of the amalgamated entity so that they can prepare for the transfer of the passengers. When one of the riders expressed concern over transferring people at a high speed, Tensei assured him and the other commuters that his new recruit, Enigma, is a reliable source for the extraction. When one rider was still inside of the Monster Cat, Tensei advised Koichi to stay close behind him, while at the same time, Tensei himself moves ahead and Koichi avoids combat and reckless locomotion.
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