```
Inserted into the ground were nine coffin nails, two meters in length and engraved with strange patterns. Yi Chen studied their positioning and realized that they were arranged such that one was in the skull, four in the limbs, and four in the torso.
In the face of time's great power, whether it was the giant, the magic array, or the strange coffin nails, all had lost their spirit and had turned into ordinary objects.
Looking around at the setup, a thought emerged in Yi Chen's mind.
"Could this be the 'Living Refinement' method mentioned in the Dragon Tiger Mountain's archives?"
"Slowly extracting the life essence of this demonic creature, refining it into a great pill, rendering it unable to live or die as it pleases."
"This place of sealing demons is essentially a farm to harvest the last bit of value from this demonic creature, wearing it down day and night until its death."
