C304 The Black Dragon's disintegration, the calamity of Yin Yun

The black dragon circled around as it stood proudly between the heaven and earth. It constantly churned in the clouds, causing the sky to rumble with thunder. It shook people's eardrums to the point of being painful. It was truly terrifying!

Qiao Nan's entire body released a resplendent golden light, the divine bones in his body clanked, releasing rumbling sounds of thunder