|Ark of the Covenant|
As it was never used on the series, its powers are unknown.
Real Life CounterpartEdit
The Ark of the Covenant is cited in ancient Hebrew texts as a symbol of mankind's allegiance with God. It has appeared many times in popular culture (e.g Raiders of the Lost Ark), usually, having supernatural powers. It is thought to be in Axum, Ethiopia , a city with huge historical value.