[quote=@VATROU]
[@Hound55] Kinda curious now, if he's "Non-conductive to magic" That would apply to magical artifacts as well? Like Excalibur? Although it still is an actual combat ready sword even without the magical enchantments. Would Excalibur cease to exist should it come into contact with Vigilante? Or would it's magical and cosmic properties allow that as an exception? 
[/quote]

Good question.  Excalibur is a physical object which has been given magical enchantments and mystical properties... so unlike the demons from Demon Day (which were inherently magic creatures... beings of magic given physical properties as they come across to our dimension) it would presumably NOT be torn from existence.  It would just cease to have those magical properties.

Now whether they would once again have magical properties once that contact was broken... I guess that would depend on the artifact and the person wielding it.  A person who is adept in magic may be able to re-cast the original enchantment or it could be something that re-generates its own mana.