The other Onix was even more violent.
Its body, formed of massive gray boulders, writhed through the narrow cavern. Its tail swept across, snapping a stalactite as tall as half a person clean in two.
"Shraaah—!" It opened its jaws and let out a piercing hiss that ricocheted through the mine tunnels and carried far into the distance.
Just as they were venting their Rage, a peculiar sound wave enveloped the area.
The sound wave was incredibly faint, so faint that it was nearly impossible to catch with the ears.
Yet it truly existed, reverberating through the underground space at a frequency beyond human hearing.
The sound wave passed through rock, through dust, and through every Pokémon's body.
The Rock type and Ground type Pokémon that had been roaring and destroying things in fury froze almost at the exact same instant.
Their movements halted in midair, as though an invisible hand had pressed a pause button.
Graveler's raised arm stopped in the air, Onix's twisting body abruptly stiffened, and even the Geodude that had just crawled out from the collapsed rubble stood motionless where they were.
Then, their eyes began to change.
The red haze of Rage in their wide-eyed pupils was gradually replaced by a deeper, nearly insane scarlet.
That red did not resemble a normal emotional fluctuation. It was more as though something had taken control of them.
"Grro...!"
The largest Graveler uttered a single syllable, its voice hoarse and distorted.
The next second, its arm came crashing down!
"Bang—!!"
A Geodude beside Graveler was smashed away like a cannonball, slamming heavily into the cave wall and leaving a deep crater.
It did not even have time to scream before cracks covered its rocky body.
That blow seemed to be some kind of signal.
In an instant, the