This article is about a real-world person, place, or thing. For more information, see the corresponding Wikipedia page sphere here.
The Armillary Sphere is a tool used to model celestial bodies. Though many armillary spheres exist, one in particular was a piece of the Machina Fini Mundi and was hidden by Marco Polo in Xanadu, China. The sphere was retrieved for the Vespers in Extreme Mission: The Marco Polo Heist.