I think 1.0( bc last epi also started with close to 1.0) or 0.9, yeah shock i know, me saying the ratings may go up, but this is a Rumple episode, i doubt that there is a big drop, i say the drop to 0.8 will start around 615/616 that is the middle of this arc, and may go to 0.7 on easter.
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"I offended you with my opinion? Ha, you should hear the ones I keep to myself".