Beigong Yu gave Qin Yu a surprised look. This fellow turned out to be quite resolute, actually going ahead and making a primordial Great Dao oath directly.
That way, he was truly one of their own now.
Although Qin Yu had been calling him Big Brother all along and even made him the Tenth Patriarch of the Qin clan, that hadn't been enough to make Beigong Yu truly treat him as one of their own; at best, he was just a decent business partner.
Chapter 1217