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Hephaestus, the Blacksmith God of Fire and Forgery, brother of Athena, Apollo and many others, and son of Zeus, the God of Thunder and Hera, the Goddess of Marriage, Women, and Nebulas, who was also the grandson of the Titan God Cronos, who perished by the hand of Zeus and his siblings in the Ragnarök, felt something strange happening within his authority.
He had been given the task of creating artifacts by his father Zeus and his sister Athena and was slowly perfecting an artifact that could drive the power of gods to a greater extent in mortal vessels. However, each time he worked on his smith, he would absorb the power of one of his daughters, who he had sealed long ago, Palikoi.
Palikoi was one of the youngest daughters of Hephaestus that was born from her deceased mother Aetna, a Nymph of Fire (Living Deity Species), who was one of the countless daughters of the Titan Gods Gaia and Uranus.
Check "The Protagonist's Sister Is Actually the Strongest"!