In the cold and dark cave, a woman bound by the dark iron outside the sky sat peacefully on the stone slab in the center of the pool. On the top of the cave, there was only a trace of sunlight shining in, bathing on her blood-red clothes....The Daling Dynasty was formerly the Great Zhou Empire, which was suffering from internal and external troubles, was jointly captured by dozens of tribes in the barbarian border, and 200,000 soldiers of the barbarian border rushed straight to Kyoto.