Willow, the witch of the whispers

Once a young lady seeking for her soulmate, unfortunately she found someone who betrayed her instead. Her heart was quickly swallowed by the darkness and she accepted it as a divine gift using it against the traytor consuming his life force with the very same darkness he awakened in her...
After having transformed she decided to hide herself from the other human being, but she disguises herself as a beautiful woman with her magic to attract other men and punish them after they reach her haunted domain.