Marvel: Miniature Black Hole

Shen Xorn (Xorn)
The black hole in Xorn's head allowed him to emit the same energies a black hole does. Most notably, he gave off gravity. Xorn's black hole was capabl eof sucking up another being instantly. Xorn was capable of reversing his black holes natural state. That is, Xorn could cause his star to flare up into a sun.