Read through this thread in one sitting, and was a bit amazed to see the G'raha theory postulated and catch on so fiercely. I don't see it, at all - even after the sketched-in G'raha eye marks. The stuff on the neck and face looks exactly like Au Ra scales to me, with the exception that they're gray rather than black or white. It brought to mind the discussion a while back about there being a third tribe of Au Ra (maybe more) who might come into play in the future. Perhaps this is it! I was also certain that the face was female - until I took a good look at that arm. That does not look like a female Au Ra arm; way too beefy. On the other hand, the face is way too effeminate to be a male Au Ra face. Someone discounted the Au Ra idea by noting the lack of horns, but the hood could cover up several of the Au Ra horn styles.

While it'd be nice to see G'raha again, I don't think this is it. Honestly, I also don't think it will happen, ever. The way G'raha promised to guard the sealed tower until the world was ready for its secrets was a HUGE flag, in my opinion. "When the world is ready" can pretty much be translated to "never" in any work I've ever seen it appear in. A time travel plot MIGHT be able to work around that, I suppose, but I still think it unlikely. G'raha's exit from the storyline had an all-too-familiar "we're getting rid of this character because we've told his story and having him hanging around would be inconvenient" feel to it. I detest that all-too-common sort of tidying up of loose ends, but can easily recognize it when I see it. (Was happy to see it averted with Alpha, even as easy as it would have been to have him disappear with Omega!)

I've talked about most of the other stuff in other threads, so will leave it at that!