Nemesis — Ancient Greek mythological creature, Daemon (Spirit)

Nemesis was the goddess of indignation against, and retribution for, evil deeds and undeserved good fortune. She was a personification of the resentment aroused in men by those who commited crimes with apparent impunity, or who had inordinate good fortune.
Nemesis directed human affairs in such a way as to maintain equilibrium. Her name means she who distributes or deals out. Happiness and unhappiness were measured out by her, care being taken that happiness was not too frequent or too excessive. If this happened, Nemesis could bring about losses and suffering.

Nemesis was often sometimes depicted as a winged goddess. Her attributes were apple-branch, rein, lash, sword, or balance. Her name was derived from the Greek words nemêsis and nemô, meaning "dispenser of dues."