during this time, the yongle emperor began frequently sending expeditionary forces towards the mongols, möngke temür and his followers would take part in one such expedition in 1422. with the threat of retaliatory invasions of the mongols and the growing dominance of li manzhu, möngke temür and his followers, who numbered more than six thousand were forced to leave fengzhou and head back to womuho in 1423.