By 1300 ad, the sky hand people had crushed and enslaved the albaamaha people and built their high-walled capital, split sky city, to dominate towns up and down the black warrior river. But a violent wind is brewing that...By 1300 ad, the sky hand people had crushed and enslaved the albaamaha people and built their high-walled capital, split sky city, to dominate towns up and down the black warrior river. But a violent wind is brewing that May topple the city's mighty walls.