Just because the Dark Curse gets broken, doesn’t mean all curses will be broken.
The Dark One curse can only be broken 1 of 2 ways:
If Rumplestiltskin is killed with the dagger – as he killed The Dark One and then became The Dark One.
Belle’s true love kiss seemed to start working in Skin Deep, so, that maybe the a way to have Rumple’s Dark One curse broken wothout having to kill him off.
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