Spirit derives from Greek mythology.
Callisto is associated with Ursa Major (the Great Bear) and Ursa Minor (the Little Bear) star constellations.
After having a baby with Zeus and Artemis finding out she was no longer a virgin, Callisto transformed into a she-bear by either Zeus or Artemis.
Guardians protects its summoning location - intended for Places of Power and Portals.
Summoning ingredients requires: Lobelia, Honey Dipper