This spell currently doesn't do anything-
when cast on hostile or non-hostile creatures including self, no VFX and no damage are observed
when cast on area without creatures, glyph VFX are observed until creature moves into area including self and then glyph VFX fade without any explosion VFX
when cast on hostile or non-hostile creatures including self, no VFX and no damage are observed
when cast on area without creatures, glyph VFX are observed until creature moves into area including self and then glyph VFX fade without any explosion VFX