Chapter 399 Intimidating Basileus Continent

As Sebastian fully unleashed his power, Kai furrowed his brow. He had suspected all along that Sebastian would have difficulty hiding his true strength. At a moment like this, it was inevitable to go all out in battle, but Kai was a little worried. He feared that Sebastian's aggressive approach might seriously injure the middle-aged man, creating an enemy out of the Basileus Continent. Sebastian's fists crackled with a piercing azure light, unleashing thick bolts of lightning that arced through the air, illuminating the entire arena in a blinding glow.