It is a very large, stony cave which seems to cut through a cliffside. It overlooks the forest surrounding it, as well as the town of Elmore. Outside of the cave is a large array of brooms and a mailbox.
- "The Colossus": Its debut. Hector takes Gumball and Darwin here to prove that he is not boring.
- "The Finale": Nicole comes here to aggravate Hector so that he will rampage throughout Elmore, which the Wattersons hope will undo all of their wrongdoings.
- "The Mirror": Gumball and Darwin come here to get Mrs. Jötunheim to brew them a potion that will help them defeat the Snatcher.
- "The Night": It appears before and during Hector's dream.
- "The Compilation": It appears during "Weird Like You And Me".
- "The Sorcerer": Mrs. Jötunheim tricks Gumball and Darwin into doing the chores here.
- "The Potion": Mrs. Jötunheim keeps Gumball and Darwin from using a shrinking potion on Hector.
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