Sam claimed to have found the Ark of the Covenant while praying to Castiel to get his attention, which prompted Cas to actually show up. It's powers, and uses, however, are unknown.
Appearances
- Season 6
- Caged Heat (Mentioned only)
Trivia
- In lore it was often a means used by people to communicate with God.
- The Ark was made most famous by the movie Raiders of the Lost Ark which Sam refers to when luring Castiel to him.