Virtues of the Qur'an's Chapters and Verses, 13
The Messenger of Allah ﷺ said:
“Whoever reads Āyatul Kursī at the end of (after) each mandatory prayer, nothing prevents him from entering paradise except death.” Reference: Sunan an-Nasāʾī al-Kubrā, no. 9848, and al-Ṭabarānī, no. 7532.
وَعَنْ أَبِي أُمَامَةَ - رضى الله عنه - قَالَ : قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم - مَنْ قَرَأَ آيَةَ اَلْكُرْسِيِّ دُبُرَ كُلِّ صَلَاةٍ مَكْتُوبَةٍ لَمْ يَمْنَعْهُ مِنْ دُخُولِ اَلْجَنَّةِ إِلَّا اَلْمَوْتُ.