“Magic” is a catch-all term for the abilities most of those Among the MythosAMONG THE MYTHOS is a science-fantasy series starring runaway Fey princes, alien Earths, parallel worlds, ancient warriors, and know-it-all brats. use to live: to produce goods, to transform objects, to travel great distances, to kill or heal, and to shrug off things that easily destroy most biological beings.
It varies wildly from creature to creature, and while humans can observe the effects, they cannot see magic itself- including the magical portions of DNA, which simply do not show up in Ever-Dying perusal.
Obviously, it has rules. Unfortunately, those rules don’t seem to be consistent. Those who wield magic do so naturally, the same way an ordinary human might hold their breath, raise their voice, or look in any particular direction. As humans cannot see it or even what it looks like in action, it’s a source of fear for the kind of folks who find the unknown terrifying (mostly The AssociationThe modern, PR-friendly name for The Tohu – not that those folks have any idea their organization had its beginning...).