Jimmy and the others were watching the small cabin with serious expressions. The spiritual shock from earlier had already indicated that whatever was inside was definitely out of the ordinary. Tony, as an ordinary person, collapsing directly was evidence of it.
As for why Jimmy was unaffected, others might have questions, but Rodney the Priest certainly didn't think this way. Jimmy was someone who could directly see resentful spirits, and his spiritual power was absolutely much stronger than many others'.
Jimmy fired two shots just now because when the dust was swirling, two white dots suddenly appeared from the dust and flew into the sky. That's why he fired the shots, directly hitting the two white dots. Whether they were one entity or two separate resentful spirits made no difference to Jimmy.
