THANK YOU SO MUCH! I removed everything ReiNX related and now I'm on 8.1.0|AMS 0.9.3|E
One thing to note for anyone else having problems is that once the dongle flash blue, let go of the power and volume up buttons. Leaving them on too long causes the Atmosphere splash to show up but then will lead you to the black screen. Turn it off completely and try again and once you let go of the button combination once the dongle flashes blue, you will get past it