The Yastragon War was a minor war fought between Deron and Christion. Derek says Christion was so low priority it dosen't even appear on the list, which Deron rarely uses anyway. Even thought the Imperfect Hexagonal Ident Trio of Darkness had taken over Christion, the Yastragon War still existed because it never officially ended. After the defeat of the IHITOD, the war restarted and Christion was too weak to move on and was beaten. The fate of the Yastragon was finally sealed when Christion was erased from existence by Phion.