Complex sentence: Circe called on the god to send lightning down to kill Wonder Woman, who deflected the lightning bolts away from herand incinerated the herbs that made Circe immortal, thus fulfilling the prophecy.
Split into simpler sentences: Circe called on the god to send lightning down to kill Wonder Woman. When Wonder Woman deflected the lightning bolts away from her, the deflected bolts incinerated the herbs that made her immortal, thus fulfilling the prophecy.