Subterranean Egg is a Roblox limited hat. Rolimon's tracks its price, RAP, value, demand, sales history, trade ads, ownership data, and value changes. It currently has a RAP of 262, 29 sellers, and a best price of 253 Robux.
Roblox Description
It's not quite the living diamonds of Bism, but the ROBLOX universe only goes down to Y = -1000