A fast, high-frequency wave surged forth as if the chord of Natural Force had been plucked.
The column behind the section 15 student almost collapsed, several cracks appearing in it, as the section 15 student produced infrasonic sounds. The expression on Millie's face, who was riding the Ice Phoenix, became more serious.
The next second, a handkerchief printed with a lifelike parrot on it flew out from her chest towards her opponent but at the same time, after a sorrowful cry, numerous cracks began to appear on the 10-meter-long Ice Phoenix after it received the attack of the sound waves. The cracks spread from its beak to neck, to its wings and then throughout its whole body. The glow in its eyes dimmed quickly. Soon the bird began to fall down, pulled by gravity.