The cinders of Oak heaven

Mizu Hi spent the first nineteen years of his life in the shadow of the Great Forge in Oakhaven, a city built inside the crater of a dead volcano. To the villagers, he was just a quiet, hardworking youth with a strange habit of wearing thick leather gloves even in the blistering heat of summer. Mizu knew the truth: his skin was a map of charcoal-colored scales that grew thicker every year, and his blood felt like molten lead whenever his heart rate spiked. He lived in fear of the "Black Hunger," a primal urge to destroy that whispered in the back of his mind. His mother had told him his father was a traveler of noble blood, but as Mizu grew, he realized no human "noble" possessed the ability to melt iron with a touch.

The peace of Oakhaven is obliterated on the night of the "Twin Moons." Without warning, the sky over the crater splits open like a wounded eye, bleeding violet energy. From this rift, the Vanguard of the Abyss descends—monsters composed of living shadow and jagged bone. They do not come to loot; they come to cull. Leading them is a figure draped in obsidian armor that pulses like a heartbeat. This is Kage, Mizu’s older brother. Unlike Mizu, Kage has fully embraced his draconic heritage. He carries a spear tipped with a Dragon’s tooth and moves with a terrifying, predatory grace.

As the city burns, Mizu watches his mentor, the master blacksmith, fall to a shadow-beast. The "Black Hunger" finally snaps. Mizu’s scream turns into a roar that shakes the foundations of the crater. His right arm shatters his sleeve, expanding into a massive, clawed limb covered in impenetrable black scales. For the first time, Mizu breathes—not air, but a torrent of black, oily fire that vaporizes the monsters instantly. The villagers scream in horror, not at the monsters, but at Mizu. They see him as just another demon.

Kage descends from the sky, landing in the center of the town square. He looks at Mizu not with love, but with disgusted curiosity. He explains their true lineage: they are the sons of Ignis the Void-King, the last of the Black Demon Dragons. Kage reveals that he has spent decades hunting their father to extract his "Heart-Core," the only battery powerful enough to keep the Abyssal Gates open forever and allow a total monster invasion of the mortal realm. Kage mocks Mizu for his "weak" human blood and invites him to join the conquest.

Mizu’s refusal is violent. The brothers clash, a blur of black fire and shadow steel. However, Mizu’s lack of training is his downfall. Kage pins him to the burning earth, whispering that their father is rotting in the Weeping Spire, a prison between dimensions. Kage leaves Mizu alive, wanting him to watch as the world is remade in their father’s image of destruction.

When the dust settles, Oakhaven is a graveyard. Mizu is exiled by the survivors, who blame his presence for the attack. As he leaves the smoking ruins, he discovers a shard of his father’s old amulet in the wreckage—a compass that reacts to his dragon blood. With a heavy heart and a burning arm, Mizu sets out into the world. He isn't just a man anymore, and he isn't just a dragon. He is the only thing standing between his brother and the end of the world.

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