C558 The Ancestor of the Great Yu Sect

"Senior Yu, Senior Mu, in another half a day, we will be able to reach the famous Prison Island in the Fourth Ring. Thank you for your help along the way, seniors. The entire Qian Family is grateful for your help. I will never forget your kindness!" Su Jin bowed to Yu Dongyuan and Mu Xuan. Her voice was sincere. She was indeed grateful to Mu Xuan and Yu Dongyuan. If it were not for them..