I kinda think that the end of 5B won’t set up S6 so much as just end the Darkness storyline. Sorta like in in S1, it ended with the Curse breaking but with no real indication of who was the next big bad–we didn’t know Cora was coming back, in other words. So I don’t think we’re gonna know who or what is coming next until S6 starts filming.
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"He was a lot of things to me" "The only conclusion was love"