Gu Luanling's proposed method was indeed not bad, but in Gu Yuan's view, it was a bit too taxing on Xu Wuwang.
That state of surging, eruptive blood qi was, in Gu Yuan's eyes, extremely harmful to the body, and it was best avoided whenever possible.
"Besides, our objective is the depths of the Sha-Refining Ground. Wasting time on the periphery is meaningless."
Chapter 169