In Greek mythology Nemesis
was the winged god of
retributive justice,righteous
anger, and divine vengeance.

The justice of the gods was
inflicted on the proud and
those who flaunted the law. No one could escape the power.

Nemesis was also known as
the god of Night.

Nemesis is one that inflicts
retribution or vengeance, or a formidable and usually
victorious rival or opponent.

Nemesis a moral conscience.
Night and Erebus. Finger on
the lips for silence if you do not wish to anger the Gods.