“I still - I don't-” Shiro feels like his brain is broken. “I still don't get why this is necessary.” “All aspects of physical stamina are tested during the trials,” Kolivan replies, standing next to him as both of them watch the screen. “Awakening the blade is only the first step. Your friend is an omega, and all omegas currently serving with the Blades have lasted an hour or more on this device. It is protocol.”