Relic of the Future: Chapter 6

Qrow rocketed forwards with a roar.

Jaune's eyes had a moment to widen in shock before he backpedalled, catching Qrow's sword on his at the last second and knocking it aside. The huntsman pushed forward and used both hands to force Jaune back, hurling him away. Jaune landed hard, stumbled on one leg, but ignored it as he parried the next attack, Qrow attacking with blistering speed and aggression.

Too much so! Qrow was faster and stronger than he had been before, now in his prime and more than willing to use that to his advantage.

—Relic of the Future: Chapter 6