The Anti-Matter counterpart of Spacium. It is also called Deathium and Dezium. It is the key ingredient of Dark Engen.
As the Anti-Matter counterpart with Spacium, interaction with it or most common material would result in an explosion. Deathcium also has the odd characteristic of generating Anti-Photons
- As Spacium is inspired by Ultraman, Deathcium is inspired by Ultraman Belial.