Talk:Myrtenaster/@comment-28189972-20170418004830/@comment-26397825-20170418011138

This reminds me of when Weiss was listing off types of dust at the very beginning of the series; her words to Ruby are "Dust! Fire, water, lightning, energy!" At the time it was assumed that she was referring to dust as energy as a whole, but a few times it has been speculated that perhaps energy is an actual type of dust.

It makes sense; energy could be used as a force - force fields and Weiss's force attacks akin to magic missiles - but also as a propellant/energy for vehicles - the trains in Mistral being an example.