Refining all the Undead Puppets came at a heavy cost to Gu Ding, but in order to deal with Su Chen, he could no longer afford to care about such things.
That said, Gu Ding was still deeply afraid of Su Chen; otherwise, he never would have gone to such lengths to refine the Undead Puppets. With cultivation reaching his level, one could easily ascend to the Lesser World, rendering any number of puppets redundant and burdensome. Yet, left behind in the myriad universes, these puppets could serve a vital purpose.
"Search."
Chapter 1646