sentences:  He also conquered Pahang, a tin-producing region of the Malayan Peninsula, and was able to force the Sultans of Johor to recognise his overlordship, if temporarily.During his reign, he created a code of laws known as "Adat Meukuta Alam" (Adat meaning "customs", or "customary rules").The strength of his formidable fleet was brought to an end with a disastrous campaign against Malacca in 1629 when the combined Portuguese and Johor forces managed to destroy all his ships and 19,000 troops according to Portuguese account.