Ybur was using this massive amount of body mass for the first time.
Indeed, a larger body brought greater strength, but at the same time, it reduced agility and the significant mass consumed more energy when moving. Fighting with such a huge body, Ybur might burn through more of its own tissue than what its opponent could destroy.
But as the saying goes, "Train your troops for a thousand days to use them for a moment," the body mass accumulated was meant to be extravagantly expended when necessary!
