whoever offered Salat (prayer) with furnace or fire or any other worshipable thing in front of him but he intended Salat solely for Allah

Narrated 'Abdullah bin 'Abbas:

The sun eclipsed and Allah's Apostle offered the eclipse prayer and said, "I have been shown the Hellfire (now) and I never saw a worse and horrible sight than the sight I have seen today."

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مَسْلَمَةَ، عَنْ مَالِكٍ، عَنْ زَيْدِ بْنِ أَسْلَمَ، عَنْ عَطَاءِ بْنِ يَسَارٍ، عَنْ عَبْدِ اللَّهِ بْنِ عَبَّاسٍ، قَالَ انْخَسَفَتِ الشَّمْسُ، فَصَلَّى رَسُولُ اللَّهِ ﷺ ثُمَّ قَالَ " أُرِيتُ النَّارَ، فَلَمْ أَرَ مَنْظَرًا كَالْيَوْمِ قَطُّ أَفْظَعَ ".