Hah, the Mongols almost got outsnipe. That's hilarious.
It's almost an exact repeat of that first battle by the old man, huh. A messy and crazy charge that seems to succeed only by a chance, but still, it's a chance they create for themselves. Then again, that's pretty much how the samurai won in this manga so it might not be unique enough to be called a callback.
Thanks for the translation as always