In June of 2024, the Conglomeration was formed by Briscoe, O'Reilly, Cassidy, and Nightingale,[2] while the three male members were feuding with the Undisputed Kingdom.[3] In the following weeks Ishii joined, in which Ishii was scheduled to wrestle in AEW throughout the summer.[4][5] At the 2024 ROH Death Before Dishonor, Briscoe defeated the Undisputed Kingdom's Roderick Strong to retain the ROH World Championship.[6] On the July 27 episode of AEW Collision, Briscoe introduced his baby son as the latest member of the group.[7] More recently at Grand Slam on September 25, Rocky Romero was officially inducted as a member of the group. On December 28 at Worlds End, Kyle O'Reilly joined the Undisputed Kingdom after coming to the aid of Adam Cole from an MJF attack, leaving his involvement with The Conglomeration in question.