glad tidings that he will enter Paradise
يا أسمع السامعين ويا أبصر المبصرين و يا أسرع الحاسبين ويا
Shaikh Kulaini relates from Imam Ja'far-as-Sadiq (A.S.) that he said that the one who recites Surah-az-Zilzal in the Supererogatory Prayers (Nafela), Allah will save him from earthquake, lightening and the calamities of the land and sky. And during death He will send this Surah in the form of a handsome youth who will sit besides him and request the Angel of death (Malekul Maut) to remove his spirit with ease.
Turning away from the Right path during death.
It means that a person should turn away from the Right Path (Sirat-al-Mustaqeem) during death. At the time of death satan (shaitaan) comes to the dying man and tries his best to deceive him and puts him in doubt, so as to turn him away from faith (Eeman). Fakhr Muhaqqeqeen says that, 'A person who wishes to remain safe from the mischief of shaitaan at the time of death should preserve five proofs
regarding the fundamental principals of faith (Usoole Deen) in his mind, and present it to Allah's custody, so that during death these may come as a handy against shaitaan's
deceit. Then he should recite the following supplication (du' a):