The Gaia Giant Serpent threw back its jaws and burst into endless, manic laughter. After a long while, it said, "All right, kid. Let me see what kind of strength you really have—come face my invincible body! Let me tell you the truth: I simply can't unleash my full power in this place. Once I get out... heh heh, with my strength, I could destroy this plane in an instant. And then... hahaha, then there won't be any 'then' for you people! So stop trying to run. Become a part of me, and watch as I leave this place and become the ruler of this plane!"
With its thunderous roar, endless black flames erupted wildly from its mouth, as though they intended to blast Li to death in an instant. There was not a trace of fear on Li's face, but his heart wavered. If what this thing said was true—if it truly could not wield its power because this place suppressed it—then releasing it would be a world-level disaster. Or perhaps, before long, it would become a multiverse-level disaster!
Looks like... I'll have to give it everything I've got first!
Li sneered and suddenly let out a roar. A Mangekyo pattern appeared in his eyes, spinning ceaselessly within them. Specks of purple light then began circling around his body, guarding him like armor. "Susanoo!"
The specks of purple light gradually formed a massive suit of armor, and the figure within it slowly took the shape of a warrior. The enormous purple warrior enveloped Li completely. Li opened his eyes and looked at the giant serpent before him. "Shouldn't it be you who needs to show what you've got against me now?"
The overwhelming dragon breath slammed into Susanoo, erupting in thunderous booms. Even Susanoo, with its formidable defense, suffered