A mortal hoplite and son of Zeus disguised as the Old Man. After his mother Aethra is murdered by Hyperion, he escapes slavery, discovers the Epirus Bow, and leads the Hellenic resistance. He ultimately defeats Hyperion in single combat, fulfilling his destiny to save humanity from the Titans.
Zeus is Theseus's divine father, though Theseus is raised as a mortal.
The plot identifies Zeus as Theseus's father and explains that Zeus trained him while disguised as the Old Man.
Aethra is Theseus's mortal mother and emotional anchor.
Theseus lives as an outcast with his mother Aethra, and he later returns to bury her after Hyperion murders her.
Their relationship develops from shared captivity into an intimate romance.
Phaedra falls in love with Theseus, asks him to take her virginity, and they have sex.
Their conflict drives the mortal and mythic climax.
Hyperion attacks Theseus's village, kills Aethra, and later fights Theseus before Theseus kills him.
Athena gives Theseus practical assistance while respecting Zeus's restrictions.
Athena provides Theseus and his allies with horses so they can reach Mount Tartarus.
Poseidon covertly saves Theseus's group from immediate defeat.
Poseidon secretly creates a tidal wave that destroys Hyperion's forces when Theseus and the escaping slaves are overwhelmed.
Cassander initially obstructs Theseus through disbelief and political caution.
Theseus warns Cassander about Hyperion's plan, but Cassander dismisses the gods as myth and intends to negotiate peace.
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Related entry on Wikidata (Q1320718), public domain (CC0).