Sunan Ibn Majah, Book 36, Hadith 165 (In-Book) ⓘ
Another chain with a similar report to which he added: "They will gather for the fierce battle, and at that time they will come with eighty banners, under each of which will be twelve thousand troops."
حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ إِبْرَاهِيمَ الدِّمَشْقِيُّ، حَدَّثَنَا الْوَلِيدُ بْنُ مُسْلِمٍ، حَدَّثَنَا الأَوْزَاعِيُّ، عَنْ حَسَّانَ بْنِ عَطِيَّةَ، بِإِسْنَادِهِ نَحْوَهُ وَزَادَ فِيهِ فَيَجْتَمِعُونَ لِلْمَلْحَمَةِ فَيَأْتُونَ حِينَئِذٍ تَحْتَ ثَمَانِينَ غَايَةٍ تَحْتَ كُلِّ غَايَةٍ اثْنَا عَشَرَ أَلْفًا .
also referenced under: Hadith 4089 (Reference) & Volume 5, Book 36, Hadith 4089 (DarusSalam)