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"Huginn, use Shadow Feather Projectile repeatedly!"
"CRAAA!"
The five large black crows began bombarding the Wyvern with their attacks, by spreading out their wings, they were able to shoot five small feathers made of shadows, which I've tested were as sharp as stone arrows and held just as much strength as arrows when fired from their same distance. They cost no MP to use but had a cooldown of ten seconds with every five feathers, this is why each Crow was made to coordinate themselves, firing their feathers three seconds after the other, this way they can keep a constant attack without all of them having to wait ten seconds together.
"GROOAR!"
The Wyvern easily deflected their attacks, however. Some of the feathers ended getting stuck in between its scales, barely piercing its skin, but most of them proved to be just distractions against such a mighty beast.
Check "The Protagnist's Sister Is Actually the Strongest"!