Oya (Yansa) is the Goddess of Storms, Lightning, and cemeteries. She is a warrior, the wife of Chango. Her colors are orange and maroon, and her syncretized saint is Theresa. She epitomizes female power and righteous anger. Oya brings sudden change. She is a whirlwind, an amazon, a huntress, and a wild buffalo. Lightning and rainbows are signs of her presence. She also rules communication between the living and the dead.
Oya is one of the most powerful Orishas. Her full name is Oya Yansan, which means “Mother of Nine.” A Warrior-Queen, She is the sister-wife of the God Shango, to whom She gave the power to create storms. Much of Oya's power is rooted in the natural world; She is the Goddess of thunder, lightning, tornadoes, winds, rainstorms and hurricanes. A Fire Goddess, it is Oya who brings rapid change and aids us in both inner and outer transformation.
Iansan/ Oya -She is seen in aspects as the warrior-spirit of the wind, lightning, fertility, fire, and magic. She creates hurricanes and tornadoes, and guards the underworld. She is the spirit of tornadoes (which are said to be her whirling skirts as she dances), lightning (the power of which she acquired from her husband, Shango), earthquakes, and any kind of destruction. Beyond destruction, Oya is the spirit of change, transition, and the chaos that often brings it about.