Whereas I have no idea how you manage to operate at the level of spiritual energy I sense from you. Magic is all about focus and willpower - you're telling the universe that something is other than what it is, in essence.

[He holds out a hand - the one not holding the gigantic claymore - and conjures a ball of fire into being above it.] It still obeys certain laws - or, perhaps it's more accurate to say that we're taught that it does, because practicing it without those limits invites disaster. There are things outside our reality that can use an improperly performed ritual or spell to gain a foothold here. Have you ever heard of a man named H. P. Lovecraft?