One particular one mastered the controlling of temperature, ice, and fire magic. He can literally 'freeze time,' by chilling the area to absolute zero temperatures, and thus, nothing can move except for him. And since it's technically not time magic, he can do that around Krathlos. They call him, 'Mr. Ice,' I think. If we can ally with the End Knights, they may prove useful. But my chunk of reality is a bit of a trip from here...