Tiangong believed Jiang Chen, but he still needed to make use of him for now.
If he could use Jiang Chen to lure out the little black pig, Xiao Hei, he would be able to reclaim the World-Breaking Talisman. Once he escaped to the outside world, he could better collect materials and refine an even better World-Breaking Talisman.
When the time came, he would lead a massive army of experts out of the Prison World, bringing about the doom of the Four Ancient Dark Clans.
Chapter 2751