He had not much choice in the matter as Maha T’ammaraja of Ava had appeared before the walls of Taungu at the head of an overwhelming force. De Brito had entered into an alliance with Natchin Noung and he regarded the submission of his ally to Ava as an act of treachery to himself. He therefore gladly joined with P’ya Dala to avenge the supposed wrongs of the king of Siam as well as his own.