Board Thread:General Discussion/@comment-25926288-20170417005933/@comment-25926288-20170730023402

Plus, Rumple didn't give them anything, just advice and a potion to be put back under the curse. Snow found the Pixie and listen to Rumple's advice of "It can blah, blah, blah" and it just so happened to make a in-world portal as the dust can do anything to reunite love or something.

On another note, fairy magic/light magic doesn't mix with what he is (from Rumple's own words to Bae).