The Earth Fiend Stage was divided into three tiers.

Fiend Palace Tier.

Fiend Body Tier.

Fiend Finisher Tier.

When resonance cultivators made it to the Earth Fiend Stage, they grew even more attuned to worldly natural energy, allowing them to draw on a special variety of it known as Earth Fiend Energy.

Absorbing Earth Fiend Energy helped one's resonant palace expand and strengthen, which increased one's resonant power capacity.

That was why it was called the Fiend Palace Tier.

Once the resonant palace reached a critical level of reinforcement, Earth Fiend Energy would overflow and pour out of it, strengthening one's physical...