لَا إلَهَ إلَّا اللهُ

He, whose last words are “None has the right to be worshiped except Allāh,” will enter Jannah.

Reference: He, whose last words are “None has the right to be worshiped except Allāh,” will enter Jannah. Abū Dāwud (#3116, 3/190). Also See _Ṣaḥīḥ al-Jāmiʿ_ (#6479, 5/432).