He looked down at the countless mutant beasts charging below. Even with the death of all the king-leader beasts, the enemy showed no signs of retreat. This invasion seemed more like a suicide mission!
His blood-red eyes flickered with a faint glimmer of fire, and a wild aura burst forth instantaneously. "Fire Rain Scorching the Earth!" In an instant, countless flames appeared in the void, their terrifying might like dancing sprites.
A strange power descended into his mind in an instant. Shaun felt as though he could control these flames himself. The numerous flames in the sky fell like meteors, their scorching heat instantly enveloping the mutant beasts below.
Countless mutant beasts wailed in agony, turning into charred corpses. The other six kings also exerted their full strength, beginning to slaughter the mutant beasts below. Though unaffected by the kings' oppressive might, they were rapidly perishing.