C419 Fight for the Good Fortune

The Undying Longevity Spell, a path to immortality and indestructibility, is why the Sovereign Monarch couldn't completely destroy Luo Hou. Instead, he had to seal him away, gradually wearing down his vitality.

Feng Yi never expected that upon entering Luo Hou's mind, he would witness Luo Hou's entire journey of cultivation and gain a complete understanding of the Undying Longevity Spell