Medium
Medium is a skill introduced in The Sims 4: Paranormal Stuff. Levelling up the skill allows Sims to commune with ghosts better through the seance table and is helpful in the paranormal investigator branch of the freelance career.
Seances
Sims can perform seances on the ground or on a seance table, performing them will allow the Sim to commune with ghosts and the spirits haunting the house, see the moods of the specters, and enact ghastly rituals for the ghosts. With seances Sims can also summon Claude René Duplantier Guidry or Bonehilda.