StubThis article is a stub. You can help Deca Dence Wiki by expanding it. A gigantic 3000m-high mobile fortress created by humans to counter the Gadoll. The name spells out "Decadence", reflecting humanity's almost doomed state at the attacks of the Gadoll. Retrieved from "https://deca-dence.fandom.com/wiki/Deca-dence?oldid=605" Categories: Stubs Locations Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.