But is not summon elemental a different spell in sense that it does not warp the nature of the elemental completely like it is done with demons? Only what is done with summon elemental is through contest of will to subdue elemental to the ancient contract what heaven has told to elementals; which is to serve exalts. But this case servitude is done by recognizing the person is worthy of the contract. With case of demons it is more 'raw' is it not?