The species of therimorse are born from darkness and mortality, Therimorse do not experience aging. They are merely ghostly apparitions mimicking life. To survive, the Therimorse kills to maintain its physical body. The destruction of Therimorse's physical form releases the souls of its victims that it has gathered over its lifetime. Legends say if you make eye contact with the Therimorse, you are on death’s door. This species may be Sonarian, but it’s not like the others.