Chapter 428: Entering the Underground City, the Beating Heart

Medusa's expression grew alert, and she quickly gathered the Power of Laws, preparing to strike.

"Don't misunderstand, we're here to save you!" The leader of the group called out, swiftly passing by them and charging toward the army that was chasing them.

The group stood there, completely confused, not understanding what was happening.

Boom! Boom!

Immediately after, the sounds of explosions echoed from behind, and terrifying energy waves reverberated through the air. Large boulders kept crashing down from above.

Screams followed, and the explosive power was even more terrifying than the Black Demon Bombs.

In an instant, the enemy was thrown into chaos, suffering heavy losses.

"Self-detonation!" John was stunned, watching the sudden appearance of these figures in disbelief.

They had actually used self-detonation as an attack—it was an attack that hurt the enemy and severely damaged themselves in the process.