Thread:Eureka Enderborn/@comment-25901581-20160922233302/@comment-26005135-20161023022740

The orb BURNS WITH THE HEAT OF THE MOLEN STONES OF THE NETHER! MUAHAHAHAHAHA!

Yeah, it has a high temperature, and emits light. The energy source is unknown, but most likely it's the netherrack. That stuff has quite the energy output.