Chapter 1372: Xiang Yihang's Invitation

simple. Even with his current understanding of formations, given enough materials, it would be difficult to refine this one. "This formation is extremely difficult to refine, and once a mistake occur...y vast, and the speed of changing formations simply couldn't keep up with the surprisingly defensive capabilities of this Golden Immortal-level powerhouse, the Heavenly Evil Dragon Silkworm.Even in th...