Protector, Master, or...

By allowing the rampaging dark energy to consume him, Nial further gave it a boost by unleashing more than half of the accumulated crimson moonlight inside his body.

He did the same with his accumulated Essence of Darkness, enhancing the dark energy within and outside his body tremendously. Chaos was also unleashed within his body and it slowly seeped inside his dark energy, further reinforcing his strength.

The Devil Roc was still fused with Nial but he was changing his form once again. His wings were growing in size and so were his claws. His darkness skin was swept through by eternal darkness, including both crimson and chaos veins that spread through his wings, claws, and the rest of his body.

Bella unleashed her holy aura while slashing the golden longsword at Nial, whose dark energy didn't disperse upon coming in touch with the holy aura, not this time.