C84 The Yin Ghost Realm

Refining a ghost slave was a common method used by the people of the Taoist sect.

Above the ghost slave, there was also the ghost servant.

Each person of the Taoist sect could refine at most three Yin Ghosts or Yin Spirits, which meant that there was one ghost servant and two ghost slaves.

When guarding the spirit, if they met a fierce ghost