Kro Civilization's Trump Card

At that moment, Leo stood on Kro Main Planet and looked up ahead. At the distant edge of the planet, almost beyond the limits of Leo's vision, he saw a streak of black radiance.

Looking closely, Leo could just make out that it was a cannon muzzle. It was not particularly large, but its caliber still exceeded ten meters.

Cannons of this caliber were generally the main guns of top-tier warships in the universe, yet this one had been installed on the ground.

Behind the cannon muzzle was a huge base, its surface flashing with dazzling energy. That was why Leo had been able to spot the cannon at a glance.

The cannon muzzle was aimed directly at him. It was this cannon that actually made Leo feel a trace of danger.

Leo had only felt this way beneath the main cannon of Thanos's Sanctum One and the Destruction Cannon of Ronan's Dark Star.

And now, he was feeling it again on Kro Main Planet.

This made Leo extremely unhappy, and his eyes turned utterly cold.

The blade in his hand moved slightly. A flash of sword light flickered, cleaving the already critically damaged advanced medium-sized warship before him in half and causing it to explode.

A huge fireball blossomed in the air, even swallowing Leo whole.

Yet the instant the fireball bloomed, Leo's figure vanished without a trace.

Everything had been captured by the monitoring devices overseeing the center of the battlefield, but they could do nothing about it. They had no idea how Leo had disappeared, much less where he had gone.

Judging by what they could see, however, everyone still leaned toward the conclusion that Leo had used some method to conceal himself, making him impossible for the monitoring devices to detect.

The entire Kro Planet was