Resurrection of Spiritual Energy: Starting from the Ghost Trial

Being taken by the system to travel to the Aquamarine Star where there is no spiritual energy recovery, it will be invaded by another world in 2 years. There are no ghosts on Aquamarine Star. He plans to promote the recovery of spiritual energy and let humans start the trial in the ghost space. The murderer with the ringing phone, the red-clad senior, the knocker, etc., How do people avoid ghosts and control ghosts without having any contact with ghosts and otherworlds. . . How did you defeat the alien invasion?