Near the Calm Belt of the Grand Line.
An unmarked ship was stationed there.
Boom! Boom!
Lightning flashed and thunder rumbled overhead.
A figure darted back and forth across the sea.
"Lightning Thunder Noise!"
After pinpointing the location with the Echo Map,
the figure raised a hand high, and in the next instant, a lightning-fast sonic shock slammed into the sea.
Boom!
Under the immense impact, vast amounts of seawater erupted into spiky, hedgehog-like sprays.
Just as the spray shot high into the air,
Roar!
An enraged beast's roar suddenly rang out from the previously empty sea.
Blood dyed the surface a dark red.
As a massive shadow gradually emerged beneath the sea,
"Oh? You finally couldn't hold back?"
Roy looked down at the shadow beneath the water, which was almost larger than a small island.
"Iron Cloud Spiral!"
The iron clouds floating in the sky shifted at Roy's command.
The previously loose clouds immediately transformed into enormous spiral iron spikes with blood grooves.
"Go!"
Whoosh! Whoosh! Whoosh!
The sound of iron spikes tearing through the air rang over the sea.
Driven by immense force, the spikes forged from iron clouds plunged directly into the ever-expanding shadow beneath the surface.
The bloody stain spread as the shadow's area grew larger.
Roar!
A furious bellow, like the roar of both a bull and a lion, rose from the depths.
"It's coming."
Roy immediately flew higher into the sky.
The next moment, above the waves crashing against the sea,
a colossal maw, as massive as a mountain, seemed to break free from a seal and engulf the entire sky above its stretch of ocean.
"This size is truly astonishing. As expected of the Feral Beast, renowned alongside the Island Devouring Monster!"
Looking at the giant monster that seemed like a fusion of