And the fact that the other four can be wielded by literally anyone, including otherwise normal humans, doesn't? The only difference between Nox and Ignis is that while Ignis rejects the presence of water, Nox rejects the [i]absence [/i] of dark. Otherwise, Ignis and Nox are no different in their power.

Also I was referring to Hyperion/Ryuu. I don't even know if he still exists. It's hard to keel track...