C550 Kunlun Ten Elders

"Ah!" I still need to raise my strength, it's so hard for my strength to increase by a single step right now. Brother-in-law, can you change for another one!? " Tang Binn said with a bitter face.

"There's no need to discuss. If you want to be my little brother, how can you be strong enough? Even I cannot predict the strength of the people I have interacted with. If your strength is insufficient