That the Messenger of Allah ﷺ said: "The martyr does not sense the touch of death except as one of you senses the touch of a (bug) bite.

قَالَ رَسُولُ اللَّهِ ﷺ مَا يَجِدُ الشَّهِيدُ مِنْ مَسِّ الْقَتْلِ إِلاَّ كَمَا يَجِدُ أَحَدُكُمْ مِنْ مَسِّ الْقَرْصَةِ