Hecate

Hecate is the Olympian demigoddess of witchcraft and the night. She longs to rule the Underworld and steal Hades' power over the dead. She only appears in Hercules (TV series).

Hercules and the Underworld Takeover
After continuous failed attempts to try to prove to the that she would be a far better Goddess of the Underworld than Hades, she decides to steal his Godhood by stealing his flame by trapping a sample in a magic crystal while hugging him. While he is busy with the Council of the Gods, she succeeds in taking over the Underworld and taking control of Hades' allies and minions, declaring her intention to collect all the souls on Earth. Luckily, Pain and Panic manage to escape and seek help from Hercules in overthrowing her. When confronted by Hercules, Hecate first sicced her winged wolf henchmen. Hercules overpowers them but then Hecate transforms her crystal into humanoid shape. At that moment, Hades returns, with his powers almost depleted and his personality having become mellow. As Hecate started gloating about her new Underworld order, Hercules destroys the crystal monster, restoring Hades' power. As Hercules quickly excused himself, Hades exacts fiery punishment on Hecate for attempting to usurp his throne.

Hercules and the Disappearing Heroes
Hecate returns to try and take over the Underworld again but this time she kidnaps all the famous heroes from Greece and steals their great abilities in order to create a powerful monster to dethrone Hades.

Powers and Abilities
As one of the Olympian gods Hecate possesses all the powers standard to them, such as omnipresence, vast strength and shape shifting.

As the goddess of witchcraft she has incredible magical ability, which likely exceeds others gods given her domain. As well as vast knowledge of spells and rituals. as All Olympians possess specific skills associated with their area of expertise. Because Hecate was the Goddess of Magic, she is the greatest sorcerer of all the Olympians, second only to Zeus Because of her Godly expertise in sorcery that has spanned even before humanities existence due to the fact she's a Titan, she is capable of pulling off any magical feat that has been displayed by other Olympians that expertise in other areas, and therefore have inferior skills in magic