What exactly was in the portal? One of the biggest Gravity Falls mysteries. ○○○JOIN THE DECODERS: ○○○ Hit the Like button if you .<br />Hey everyone! I am currently the #1 most subscribed Gravity Falls YouTuber. I talk about theories and secrets about characters/places/plots in Gravity Falls.<br />What exactly was in the portal? One of the biggest Gravity Falls mysteries. ○○○JOIN THE DECODERS: ○○○ Hit the Like button if you . Behold a secret portal .
