well, weve already established that julians descent into darkness and evil is only a possibility. so, what if in said future (since this stuff isnt technically canon), felix DIDNT find himself a worshipper of amaterasu? Without her guidance, he wouldnt have stepped into the light, and quite possible could have fallen to Xelif's seductive offerings of power. after all, she is fairly reasonable. all she seeks is destruction. thats not so bad is it?