Oizys was the godddess or spirit of misery in the Ancient Greek religion.
Appearance: Unknown. However, based on similar figures it's possible Oizys appears as a black-winged woman.
Lore: Oizys was likely one of the gods or spirits imprisoned within Pandora's jar, which when opened, released it's denizens to plague mankind. Oizys flits to and fro on the earth, inflicting misery and suffering everywhere she flies. The Romans called her Miseria, which is where we get the word "misery".
Powers: Oizys has the power to inflict misery and suffering upon humanity.
Defense Against Oizys: None. Unfortunately misery and suffering are part of the human existence.