Imam Mahdi in Hadith (Sunni & Shia)
A. The Awaited Mahdi
The Messenger of Allah, (صلى الله عليه وآله وسلم) predicted that a time would come when oppression, injustice and aggression would become extremely rampant all over the globe. At that period, a man from the offspring of Muhammad would rise to power over the entire earth, and he would successfully make oppression, injustice and aggression very rare on its surface.
1. Imam Ahmad (d. 241 H) records the hadith in his Musnad:
حدثنا عبد الله حدثني أبي قال الحسن بن
Salam this is greatest war during reappearance of Imam Mahdi(aj) which Sufyani will battle with other groups which all of groups will be anti shia which they will fight with each other for power & becoming leader which at the end of it a large number of them will kill in battle that there will be nobody bury deads which beasts & predators by command of Allah will eat dead bodies Sufyani will win battle by losing a great portion of it's army power .