Sayyiduna Awf bin Malik Ashja'i رضي الله عنه came to the Messenger of Allah صلى الله عليه وسلم and said: "O Messenger of Allah! I fear that this is my last day, so advise me." He صلى الله عليه وسلم said: "Adhere to Jabal Khumr." He asked: "What is Jabal Khumr?" He صلى الله عليه وسلم replied: "It is the land of gathering (Ard al-Mahshar)." Then he صلى الله عليه وسلم advised and said: "Beware of the volunteer army, for if they meet the enemy, they will flee, and if they obtain spoils of war, they will be treacherous in it."