Rumple’s purpose for 3 seasons was finding his son. The whole show was based on that purpose. Once done and gone, what’s his purpose? I’ve found Rumpel’s role has been diminished since season 3 ended. It’s almost as if they don’t know what to do with him and hence you get the never ending circle of love and hate between Belle and Rumple. It’s like… We need to use them … Oh, let’s them have an argument over good and evil.