Darkfire
A flame that burns with heat, but no light.
Doom-Light
The light cast by a handful of world-ending spells.
Otherlight
A side-effect of particularly powerful magic conflict, otherlight is not fully understood even by those who regularly cause it.
Rift
A powerful and rare magic, rifts are the openings – seemingly torn right into the air – that allow the magic user to step from one location to another at some distance.