The combined attack is Group Vs Group . The organizer of the combined attack will convene Family members' forces to attack together, and the defender will also send out all the buttonmen and reinforcements in the city. In the combined attack,the attackers and defenders of all the forces will be integrated together, fighting on the battlefield. The combined battle 3 rounds in each battle, if not finished, the integration of the remaining forces to continue the next round, the eradication of all the other buttonmen to win. If the battle did not finish in 9 rounds, the queue with least loss will be the winner