"As I swim in the mud beneath the Islands, the earth may shake and thrash about. I mean not to cause harm; my sheer might is difficult to suppress."
Spirit derives from Japanese mythology.
Ōnamazu, "giant catfish", is an yōkai that causes earthquakes if his guard Kashima (god of thunder and a sword god) fails to restrain him.
In 1855, following an earthquake (one of Ansel Great Quakes) near Edo ( modern day Tokyo), Ōnamazu became worshipped as a yonaoshi daimyojin (god of world rectification).
Guardians protects its summoning location - intended for Places of Power and Portals.
Summoning ingredients requires: Malachite, Thyme, and Namazu-e