The Athenians greatly honoured her and after her sacrifice, named the Macarian spring where she died after her.
She was never allowed to leave the underworld and was to remain soley by her mother's side. This Macaria is the daughter of Hades. Demophon refused to surrender the children, and received a prophecy from an oracle, saying that Athens would win this war if a maiden was sacrificed to Persephone. Her left side is black and hardened like a mummy, to represent her father, the dark god of the Underworld, Hades. Upon hearing this, Macaria sees that her only choice is immediate death on the altar or eventual death at the hands of Eurystheus. The other figure named Macaria was a deity, daughter of Hades …
When Demophon refuses and begins to prepare for war, an oracle informs him that Athens will be victorious only if a noble maiden is sacrificed to Persephone. This Macaria is the daughter of Hades (no mother is mentioned). The phrase was proverbial for those whose courage endangered them. The first character named Macaria was the daughter of the demigod Heracles. Macaria flees with her siblings and her father's old friend Iolaus to Athens, where they are received by Demophon, the king. She seems to have embodied a blessed death; the Suda connects her name to the figure of speech "be gone to blessedness," instead of misery or damnation, which may be euphemistic, in the way that the dead are referred to as "the blessed ones." , Suidas s.v. She may have been a more merciful counterpart of the death-god Thanatos or else was somehow connected with the passage of souls to the Islands of the Blessed (Nesoi Makarioi). She was perhaps a more merciful counterpart of the death-god Thanatos or else connected with the passage of souls to the Islands of the Blessed (Nesoi Makarioi).A goddess Macaria ('μακαρία', literally 'blessed') is named in the Suda. It is a caster type magic that lets her call forth dark, purple energy that looks like tormented souls, skeletal/ghoulish hands and solders, and other hellish things that she says come from the underworld itself. Melinoe is an unusual goddess, and her appearance is frightening.
Macaria daughter of Hades and Persephone, the gods and kings of the underworld, and sister Melinoe the goddess of ghosts, and how her sister was a princess of the underworld too. Macaria was very beautiful as her mother, and had an angelic appearance which helped humans do not feel intimidated by its appearance when it was his time to die. Lady Macaria, like her father and brother, uses the magic known as 'Army of Hades' magic. A goddess Macaria ('μακαρία', literally 'blessed') is named in the Suda. She was perhaps a more merciful counterpart of the death-god Thanatos or else connected with the passage of souls to the Islands of the Blessed (Nesoi Makarioi). See Also: Heracles, Shirt of Nessus, Eurystheus, Demophon, Persephone, Hades. She represented a blessed death. The phrase was proverbial for those whose courage endangered them. However, seeing her in this form is unlikely, as, being the goddess of ghosts, she can appear as whomever she wants, haunting people in th… There, they received shelter by King Demophon. After being rescued by Zeus from the belly of Cronus, Hades joins him in the Titanomachy.
https://greekmythology.wikia.org/wiki/Makaria?oldid=77327. She wears a golden dress and a golden shawl, and her eyes are empty black voids.  Even after Heracles' death, King Eurystheus pursues his lifelong vendetta against the hero by hunting down his children. Hades was the fourth child of the Titans Cronus and Rhea (after Hestia, Demeter, and Hera), both the oldest and the youngest male sibling. She was well loved by her parents. Her right side is pale and chalky as if she were drained of all her blood, to show the bright Persephone, her mother.
A goddess Macaria ('μακαρία', literally 'blessed') is named in the Suda. The Athenians greatly honoured her and after her sacrifice, named the Macarian spring where she died after her.  This Macaria is the daughter of Hades (no mother is mentioned). Eventually, the decade-long war ends with a victory for th… Arriving at the gates of Athens with his army, Eurystheus gives Demophon an ultimatum, threatening war upon Athens unless Demophon surrenders Heracles's children. After Heracles died by wearing the tainted Shirt of Nessus and throwing himself into a funeral pyre, the animosity King Eurystheus of Tiryns had against the hero was not quenched; instead, he started pursuing Heracles' children, and Macaria along with her siblings and her father's friend Iolaus fled to Athens. Although they are not said to be the same and are given different fathers, they are discussed together in a single entry both in the 10th-century Byzantine encyclopedia the Suda and by Zenobius.. Macaria was the ancient Greek goddess of the blessed death and a minion of her parents Hades and Persephone.