Damien Darhk mentions the idol that gives him his power was made by the Homo Magi. In DC comics the homo magi are an off shoot of humanity that naturally have magical powers See more

Goofs

During an attempted resuscitation, medical staff deliver cardiac stimulation via a defibrillator. They apply conductive patches as is standard practice but they do so on top of the patient's hospital gown, which would interfere with the delivery of the electrical current and may melt or catch fire as a result. See more