The 99 Names · Names Most Often Paired in the Quran
Al-Qahhaar القهار
The Subduer, who has overpowered all beings and before whom all creation is humbled.
Explanation
A detailed explanation of this name (in Arabic) is in: Sharh Asma' Allah al-Husna fi Daw' al-Kitab wa al-Sunnah — Dr. Sa'eed ibn 'Ali ibn Wahf al-Qahtani — p. 130 ↗
The author explains this name together with: Al-Qaahir
Evidence
﴿قُلۡ مَن رَّبُّ ٱلسَّمَٰوَٰتِ وَٱلۡأَرۡضِ قُلِ ٱللَّهُۚ قُلۡ أَفَٱتَّخَذۡتُم مِّن دُونِهِۦٓ أَوۡلِيَآءَ لَا يَمۡلِكُونَ لِأَنفُسِهِمۡ نَفۡعࣰا وَلَا ضَرࣰّاۚ قُلۡ هَلۡ يَسۡتَوِي ٱلۡأَعۡمَىٰ وَٱلۡبَصِيرُ أَمۡ هَلۡ تَسۡتَوِي ٱلظُّلُمَٰتُ وَٱلنُّورُۗ أَمۡ جَعَلُواْ لِلَّهِ شُرَكَآءَ خَلَقُواْ كَخَلۡقِهِۦ فَتَشَٰبَهَ ٱلۡخَلۡقُ عَلَيۡهِمۡۚ قُلِ ٱللَّهُ خَٰلِقُ كُلِّ شَيۡءࣲ وَهُوَ ٱلۡوَٰحِدُ ٱلۡقَهَّـٰرُ ١٦﴾
Call upon Allah by this name
“To Allah belong the Beautiful Names, so call upon Him by them” — Al-A'raf 180
Example for practice
اللهم يا قهار، اكفني شر كل ذي شر أنت آخذ بناصيته
O Allah, O Al-Qahhaar, protect me from the evil of every evil being whose forelock You hold.
An example for practice, not a transmitted text — following the Quranic way of closing a request with the fitting name (see Ibn al-Qayyim, Bada'i' al-Fawa'id 2/249).