I know it is a bad combo now that I noticed it, however I don't trust my luck to give me another double SSR if I had continued rerolling, I did manage to get Fafnir recently, so using her active to help me out a much as possible.
also during rerolling Sol and Artemis had appeared to me once, that was the only time I was sorely tempted to go with it, but in the end I just continued rerolling, it may have been a better option to go with that one but at that time I just wanted a double SSR badly.
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also I kinda wonder if they would ever bother give SSR Kamihimes a fourth ability?? since the 4th slot in there is kinda a waste if it is just for the EX abilities for Souls.
or would it cause too much balance issues???