Man, diving into Hera's mythos always feels like flipping through the messiest family drama tabloid, but with divine lightning bolts. Her conflicts aren't random; they're systemic, baked right into the power structures of Olympus. She's the eternally wronged Queen, and her fury is a political force.
Her central, brutal conflict is with Zeus, obviously. Every time he cheats (which is constantly), she doesn't just get jealous—she wages war on his lovers and their offspring. Leto, Semele, Alcmene, Io... she turns them into cows, drives them mad, sends monsters after their kids. It's easy to write her off as just spiteful, but I read it as the only power move available to a consort who can't directly challenge the king. Her authority is marital, so she attacks his other marriages, real or symbolic.
Then there's Hercules. That whole saga is her masterpiece of persecution. Sending snakes to his crib, driving him into a madness where he kills his family, orchestrating his Twelve Labors—it's a decades-long campaign. This myth explains her role as the goddess who tests heroes, forging them through relentless opposition. Without Hera's hate, there's no Hercules myth.
She also clashes with gods who side with Zeus's paramours. She punishes Echo for distracting her with chatter, leaving her only a voice. She fights against Leto's children, Apollo and Artemis, supporting rivals like the giant Tityos. Her conflict with Dionysus's mother Semele is legendary; she tricks the poor girl into asking to see Zeus's true form, incinerating her. It's a brutal pattern: the king acts, the queen retaliates on the more vulnerable targets. The myth explains a certain cruel, patriarchal logic in the divine world, where Hera becomes the terrifying enforcer of a marriage vow her own husband flouts daily.