Allah will help its reader against his enemies. Perhaps its recitation is an indication of his death in the near future. For, it was specifically revealed to Rasoolullah (Sallallaahu-alayhi-wasallam) to inform him about his death.
A person said to Ibne Sireen (RA) that he had dreamed as if he were receiting Soorah Nasr. He said to him: “Make out your will. Your time has drawn near”. He asked : “Why?” he replied: “Because it was the last Soorah revealed to Rasoolullah (Sallallaahu-alayhi-wasallam)”.