Former Satanist Warns About the Dangers of Halloween. John Ramirez, who used to be a high-ranking priest within the Satanic Temple before miraculously having his heart opened to the Gospel, shares the story of his personal involvement with satanism and celebrating Halloween in order to warn parents of its dangers. The question of should Christians celebrate Halloween always come about this time of year. Ramirez gives warnings to Christians about the dark holiday … Halloween and why Christians shouldn’t celebrate it. #Halloween