In 1995 King Naresuan once more invaded Burma, intending this time to reduce that Kingdom to a state of impotence. Unfortunately he made the mistake of trusting the rules of Arakan and Taungu, who had promised him their help. Himself incapable to distrust others. By this time,the Prince if Taungu had decided that there was more to gain by acting without other support than of the King of Arakan, and determined, if possible to prevent a Siamese invasion of Burma. He therefore tried, during the whole of the year 1598, to foment, by means of secret agents, trouble in Martabun and other parts of Pegu then subject to Siam. So successful was he that King Naresuen, who crossed into Pegu in the middle of 1599. Found his newly won Peguan provinces is a state of revolt.While he was engaged in restoring order, an Arakanese army advanced to Hanthawadi, and the Prince of Taungu shortly afterwards led his forces to join the Arakanese before the walls of the capital.