(Irradiate) Star Empress Cassiopeia

Lore
Cassiopeia's son Schedar apparently decided to abandon his right of inheritance to serve as captain of the Astral Knights. While she is dissatisfied with this choice, she finds consolation in him continuing to uphold the cosmic order in his own manner.

Acquisition
See Star Empress Cassiopeia

Name origin
Cassiopeia is the name of several figures in Greek mythology.