Texmexium

Texmexium is a radioactive substance discovered sometime after the 2030 kaiju apocalypse, tough unsubstantiated reports claim that the Cybortech Company material might have been responsible for its creation as far back as 2005. Texmexium is highly radioactive and is used to power the vast majority of the surface world cities. Due to its importance as a power source, the manufacturing and operation of Texmexium is kept contained to hyper-nuclear facilities located in the heart of each city.