When he had stayed there for two months the current sultan Alauddin Mansur Syah was murdered.
Raja Asyem was protected by an old military of humble background, the later sultan Alauddin Ri'ayat Syah Sayyid al-Mukammal who had allegedly murdered the boy's grandfather.
Relations between the Portuguese and the leading Malay kingdom Johor deteriorated after 1585 and the Johorese suffered a disastrous military defeat in 1587.
The result of all this was that the sea-roads between the Malay Peninsula and Sumatra became free and trade expanded greatly.
The throne was now taken by Alauddin Ri'ayat Syah Sayyid al-Mukammal, who claimed descent from the 15th-century rulers of Aceh.