Kido wraps himself in bandages and turns them into a steering wheel for everything that crosses them. Traject reroutes whatever passes through the cloth, letting a support Hero send an ally's fire at a Nomu or fling a colleague clear of danger without ever throwing a punch.
Traject is the Emitter Quirk carried by the Pro Hero Kido, listed at close range because the effect is anchored to the bandages he wears rather than projected outward. It arrives in Chapter 261 and is adapted in Episode 115, though the ability only gets a formal name later, in Chapter 276 and Episode 119.
Anything that travels through Kido's bandages has its path handed over to him. He decides which way it continues, which makes the power a redirection tool rather than a source of raw force: the energy comes from somebody else, and Kido only supplies the new heading. Objects, people, and attacks all qualify, so long as they cross the cloth.
Kido alone uses Traject. His first showing has him catch Endeavor's Hellflame and turn it onto a Nomu, and he later applies the same trick to Endeavor himself, hurling the Hero skyward during the clash with Tomura Shigaraki. By the Final War he has refined it into a defensive measure, protecting himself against Dabi and revealing that years spent working alongside Endeavor taught him how to shrug off punishing heat through Traject.

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There are no women on Namek. That isn't an oversight, it's the biology. Why we handed Piccolo the one thing his own species rules out, and why it had to be trap soul....
Traject is the Emitter Quirk used by the Pro Hero Kido in My Hero Academia. It lets Kido redirect anything that passes through the bandages he wears, sending the object, person, or attack in a new direction he chooses.
Traject belongs solely to Kido, a Pro Hero who first used it to catch Endeavor's Hellflame and redirect it onto a Nomu.
Traject activates when something passes through Kido's bandages, letting him take control of its path and choose a new direction for it. The Quirk supplies no force of its own, since the energy always belongs to whatever crossed the cloth.
Kido's most notable use of Traject came during the fight against Tomura Shigaraki, when he redirected Endeavor's own body and hurled him skyward. He had earlier demonstrated the Quirk by catching Endeavor's Hellflame and turning it onto a Nomu.
By the Final War, Kido had refined Traject into a defensive measure, using it to protect himself against Dabi. Years spent working alongside Endeavor had taught him how to shrug off punishing heat through the Quirk.
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