Well, this is theory is going around other threads, so I’ll repost it here.
What if the candle comes back into the picture? Cora stabs Rumple with the dagger, which is supposed to kill him, but Snow uses the candle to kill Cora and save Rumple but now Rumple is magicless.
My second prediction for death is Archie.
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"He was a lot of things to me" "The only conclusion was love"