Is the rose plant that Hunter offered to Fionna while at the Sweet Spot this universe's Heart of The Forest? Huntress Wizard said she can feel one in their universe. And that plant did give Fionna a scratch on her hand similar to the one on Finn's back. Then it being in the Queenie owned Sweet Spot would give reason for those two plot lines to meet. Being guarded by the fire god guy would make it hard for Huntress Wizard to just hop the fence and take it. Or maybe Queenie could even just take the plant somewhere else if she likes it. It is a magicless world for the most part so maybe a weak, nonmagical version of whatever poison getting into Fionna can sort of help create an immunization to the magical version? And she can give blood to Finn or something? I dunno about that. Hunter said they were roses that were "popping up" in the park. So even then it's probably not THE heart. Plus they need reason to go to the other worlds clearly, so I dunno. Rambling.













