Approaching to the revelation, several clues are scattered throughout the miniseries: the Riddler claims to recognize the "modus operandi" of Enigma as his own, therefore asking Dick Grayson more time to exculpate himself. Morgaine, feeling Edward Nygma's life-force while he was at Madame Zodiac's mansion, claims that Riddler and Enigma share the same life-force, or a similar one. Enigma seems to have a personal connection to the Anti-Matter Earth, as evidenced by an emotional outburst when Despero suggests conquering it. This is confirmed when Enigma teleports himself to a base orbiting the Anti-Matter Earth.