Just as Yang Yi and his group entered Steam Island, something else was happening at the same time.
Across Steam Island's surface, especially underwater, great sheets of rust began peeling away, exposing clean, gleaming metal beneath.
Inside the cannon barrel.
The robot whose lower body had transformed into tires displayed extraordinary mobility, moving much faster than Yu Dawei. After all, it was less than a third of his size.
By now, it had reached the door.
With a sliding turn, it slipped around the paralyzed defense robots, intending to duck low, enter the doorway first, and seize control of the door.
But a tremendous disturbance from behind made it stop.
It was an absurdly loud gunshot, traveling down the cannon barrel ahead of the shot itself and making it feel as though an earthquake had struck.
"What kind of weapon is that?"
The underling was startled. Before it could react, it felt something roar past overhead.
It was a super-sized shell over fifty meters long, hurtling over its head. Someone was even standing on it as it slammed straight into the metal door with a tremendous crash.
It was none other than Yang Yi.
By combining Magic Bullet with roaring mode, he could even launch an assault while standing on a shell.
That was because Magic Bullet could not only speed up a projectile, but also slow it down or make it accelerate more gradually.
That made this surprise attack possible, and he had the Fear-Killing Cannon to thank for the inspiration.
This was much faster than simply running over, and far more forceful.
"Shattering Supreme Holy Slash... homing version!"
Yang Yi roared, unleashing his charged slash just as the shell struck the door.
Boom!
The cannon barrel, several kilometers long, shook up and down. This time, it was