My Hero Academia's Pro Heroes Will Turn the Tide of Two Battles at Once

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Spoilers for MHA chapter 343 and MHA Vigilantes Chapter 120 ahead

Both the main My Hero Academia manga and its canonical spinoff series My Hero Academia Vigilantes are approaching the end of their stories, and despite taking place years apart, it looks like some of the same heroes may be making their dramatic arrival to turn the tide of battle at the same time in both.

The final fight in Vigilantes has been going on for some time now since new chapters of that series are typically released every two weeks rather than weekly. It hasn't been the epic army versus army battle that's shaping up in the main series, however--it's mostly just been Koichi (AKA the Crawler) fighting the deadly Nomu Number Six in hopes that he can buy enough time for All Might to save the day. Koichi's injuries at this point are arguably worse than Midoriya's have ever been, which is saying something. All for One has been giddily watching over the destruction, feeling quite pleased with his plans, in contrast to the aggressive and frustrated state he finds himself in for the main series.

Related: My Hero Academia Vigilantes' New Sniper Is Darker Than Lady Nagant

Finally, in chapter 120, Koichi is able to get some help against the flaming giant once known as Six. First, he gets a little moral support as many of Vigilantes' side characters have appeared to cheer him on and help keep the public safe, but most of them aren't really fit to fight, and certainly not against a juiced-up flame monster that's a kaiju in all but name. The only reason Koichi's even able to still fight at this point is due to a particularly clever application of his quirk, but that takes concentration that can easily be broken. He's fought valiantly, to be sure, but even All