Ar Rahman, 44 Ayah

55:44

يَطُوفُونَ بَيۡنَهَا وَبَيۡنَ حَمِيمٍ ءَانٖ ٤٤

Yaţūfūna Baynahā Wa Bayna Ĥamīmin 'Ānin

They will go around between it and scalding water, heated [to the utmost degree].