The changes within God Valley were naturally Imu's doing.
He knew full well that the original arena could not withstand a battle between Saitama and Chido's projection.
If an accident occurred during the fight and the energy spilled outward,
the entire Sea Star would suffer catastrophic destruction.
So he immediately controlled the Eternal and Creation Empty Throne to temporarily reinforce and remodel God Valley.
He created a special spacetime starfield similar to Mirror Space.
The energy maintaining the spacetime and the spacetime projection came from the subspace dimension,
rather than being supplied by Imu himself.
Now that the stage was ready, Imu was also looking forward to this battle.
Unfortunately, Chido was not here in person.
"Eh, I can breathe?"
Saitama, who was using Geppo to bob up and down through space, suddenly realized he did not need to hold his breath.
He did not realize that being able to use Geppo in this environment was strange as well.
In the eyes of the many spectators, including Garp, Boros, Sakazuki, and Kaido,
the cosmic battlefield displayed on the giant screen was eerily silent.
Only the glow of distant nebulae and shattered belts of dust drifted slowly through space.
However, in the next instant,
at the exact midpoint between Saitama and Chido's projection, who still stood with his arms folded across his chest,
a cold, dark void abruptly erupted without warning, bursting with light comparable to a solar flare.
Indescribable plasma energy surged out from the "singularity" like a breached flood,
transforming into a devastating ring-shaped shockwave.
It spread madly at hundreds of kilometers per second.
Kong, Bullet, Shiki, and the others all had their pupils contract violently.
"W-What happened?!"
Even Newgate's face, weathered by countless storms, revealed a look of shock.
He had not seen either side make a move