The Cicada God is an thought-form, like entity. existing above baseline reality. It devoured anything else, It was worshipped in Ireland by a Druidic cult known as the Cétlaidí or "Singers", whose beliefs revolved around the life cycle of the stained glass cicadas. As it reacted to beliefs, The God appeared as a giant cicada. Enacting brutal rituals on the Singers. After the Singers were wiped out, The Cicada God latched onto Wicca. It believes it's the Wicca God. It doesn't understand metaphor.