[Robert listens to this with a curious expression, pressing a hand to his chin thoughtfully.]

So Aer is some sort of... omnipresent energy in your multiverse, and it must be accessed by using derivative methods of obtaining it...

... It seems to be that many worlds that have magic, or similar paranormal phenomena, have formulas or structures behind its usage... which leads me to think that it is some manifestation of a fundamental interaction, and some part of particle physics.