Originally Posted by
Morphic tide
Remember, this is being made as an Oracle archetype. Focus on using the Oracle mechanics as they currently exist to make a Favored Soul counterpart, using Pathfinder's non-archetype options to let people pick out the Favored Soul mechanics they want that you find odd. Like the wings. You could also use it to let people choose to have a build that makes them into a wannabe-Succubus or Solar or Balor, by picking the Revalations granting the abilities of those Outsiders.