When would prayer have benefited him the most? Of course, praying to resist temptation at any time during his encounter would have been valuable.
لَا شَكَّ أَنَّ تَضَرُّعَهُ إِلَى ٱللهِ فِي أَيِّ وَقْتٍ خِلَالَ ٱلتَّجْرِبَةِ كَانَ سَيُسَاعِدُهُ عَلَى رَفْضِ ٱلْإِغْرَاءِ .‏