User blog comment:TheNewProtagonist/Dust is actually kinda dumb./@comment-1404737-20130818185018

Well, basically it is a enegry.

Like if you know about Dishonored, they have whale oil as main enegry source to fuel machinary and even mana(I believe the potion made with it too)

Or Dark Souls, they have "Fire" as main enegry beside the actual sorcery.