The Intervention of Godric Gryffindor

What if the Goblet of Fire was more than just an impartial judge for the Triwizard Tournament? What if four great wizards and witches lived inside of it where another plane of existence resided? Waiting for their respective Last of Line Heir to join the Triwizard Tournament and train them for the peril ahead? Just an idea I came up with, hope y'all enjoy, review and all that jazz