Board Thread:Off Topic/@comment-24993958-20150311232923/@comment-25396609-20150501225444

Not even close.

pyrogenesis is basically a more scientific sounding term for pyromancy, yes, and I've only sene it used a few times, I just happen to prefer -genesis to -mancy for sci-fi and vice-versa when it's into fantasy. RWBY is kind of a gray area so I used the one I prefer personally.