In fact, Lin Fei had also considered fusing, upgrading, and modifying the Immortal-Shedding Seal. Among the magical treasures and equipment he had obtained in the past, there were indeed some of the same type as the Immortal-Shedding Seal.
Although their grades were not particularly high either, if the quantities were sufficient, they could also be fused and modified to create an even more powerful Immortal-Shedding Seal.
However, precisely because there were still four layers of trial spaces inside the Immortal-Shedding Seal that remained unexplored and untested, Lin Fei worried that after fusion and modification, these trial spaces might change or even have their functions directly vanish.
Chapter 2367