 The emir agreed, and Ibn Abd al-Wahhab moved to neighboring Dir'iyyah, where he joined forces with the Al Saud.The Bani Khalid remained staunch enemies of the Saudis and their allies and attempted to invade Nejd and Diriyyah in an effort to stop Saudi expansion.Their efforts failed, however, and after conquering Nejd, the Saudis invaded the Bani Khalid's domain in al-Hasa and deposed the Al 'Ura'yir in 1793.