Board Thread:Questions and Answers/@comment-5780397-20151222190152/@comment-25814498-20151224175819

Alright, you're confusing me now. Weight is a force, but weight by definition is the force of gravity acting upon a mass. Therefor, Nen cannot increase an objects weight without possessing somekind of mass itself. It's physically impossible. And because it has a mass, it can gain momentum, which is the reason aura seems to increase in power as it increases in velocity. In fact, aura seems to possess many of the properties of plasma, a 4th state of matter different from solid's, liquids and gases, which, like the latter 3, also has a mass.