The voice told him to unleash the full power of corruption, to use it to its fullest extent in order to defeat Reign and the others. It told him that he had to do it now, or all would be lost. The enemy he was facing was simply not one he could win against if he fought as he usually did.
The leader hesitated for a moment, unsure of the consequences of such an action. He knew that unleashing the full power of corruption would have devastating effects, not just on his enemies, but on everything around him. It would corrupt everything in its path, twisting and distorting it until it was unrecognizable.
But the voice was insistent, and the leader knew that he had no choice but to obey. With a deep breath, he raised his hands, calling upon the corruption that lay dormant within the base.