He immediately ordered the levy to be raised to invade Lan Xang in the following dry season of 1573–1574. But the kingdom had been in constant campaign mode, and his annual demands of more levies were pushing his vassals to the breaking point. Even his senior advisers murmured loudly, and the king reluctantly agreed to postpone the expedition for a year. The respite did little to restore the ranks of depleted vassals. When the conscription drive came in 1574, the northernmost states of Mohnyin and Mogaung refused, and revolted.