Complex sentence: Instead of disappearing he stayed and find worshipers from different occult, and with rising popular media depiction of Death (as he said his image inspired the image of the Grim Reaper) worked with John to take down the demon Beroul but later turned on him.
Split into simpler sentences: Instead of disappearing he stayed and find worshipers from different occult, and with the rising popular media depiction of Death (as he said his image inspired the image of the Grim Reaper). He worked with John to take down the demon Beroul but later turned on him.