Hyathis is continuously at war with the three other planetary monarchs in Antares: Kanjar Ro of Dhor, Kromm of Mosteel, and Sayyar of Llarr.

The Justice League later defeats Ro and imprisons all four rulers on a small planet with a surrounding energy barrier created by Green Lantern.

Later, Hyathis' followers rescue her and take her to Thanagar, where she cures the devastating Equalizer plague and manipulates the Thanagarians into becoming a warlike culture.

[2][3][4] Hyathis attempts to overthrow the government of Rann by using her telepathy to make the Zaredians battle the Darkstars.

[5] Hyathis later meets with Zauriel, an agent of the Presence, when the demon Okeontis obtains Doctor Fate's helmet and infects the Alstarians with mold.