Holding back was not a phrase that onyx would have recognized as the oppressive force of dark and light mana melded together around him. He was not showing the lightest weakness as his head reared up and faced the face stealer.
The enemy was just pure evil created by the immortal king and the others of the immortal chasing race. Now that this ancient monster had been brought here to the elemental planes, it was clear that the immortal king was showing off his most powerful cards to be able to achieve the power of his dreams.
The armor that overtook the scales that onyx naturally had was impressive to say the least. The dark mana wrapped around him and even stretched put in to the shadows acting as the perfect grip for him to boost his speed. The more shadows and darkness mana around the faster he would be able to move himself while causing decay to any attacks coming towards him.