 Of the 4,000 officers sent from the capital Thăng Long, today's Hanoi, only 600 survived.Prince Theng Kham retook Muang Sua assembled the surviving citizens and sent an embassy to his father inviting him to come back.Chakkaphat refused and abdicated the throne to Theng Kham, who ascended the throne in 1479 with the regnal name Souvanna Banlang (a name derived from Pali meaning 'golden throne').