The Gate of Babylon: King's Treasure is a dark red, key-shaped shortsword owned by Gilgamesh that connects to his treasury, the "Golden Capital," allowing its user to easily access its contents. It connects the space of reality to the vault, opening an "invisible door" that allows for the contents to pass through upon the user's command. The items that pass through the gate form ripples in the empty air as they appear. They can be summoned anywhere, either directly to the users hands or anywhere in the direct vicinity. The rank changes from E to A++ due to reflecting on the ranks of the various contents of the treasury, and it is also once referred to as an EX ranked Noble Phantasm during Fate/Zero due to containing Ea. The Gate becomes more powerful as the wealth of the owner increases, b