C1339 Door of Universe Destroyed

For a whole half a month, Bai Tingxin and Bai Tingxin had been stuck at Kunwu Mountain, and the two sisters had used the mini version of Little Yuanyang Sword Formation to help strengthen their cultivation.

After all, after a martial practitioner had broken through, their control over their own strength and soul force was somewhat lacking, and they needed to temper themselves in battle