as the governor in Sumenep.

The Kediri (Gelang-gelang) army attacked Singhasari simultaneously from both the north and south flanks. The king of Singhasari only noticed the invasion from the north and sent his son-in-law, Nararya Sanggramawijaya (Raden Wijaya), northward to vanquish the rebellion. The northern attack was quashed, but the southern attack under the command of Kebo Mundarang successfully remained undetected until it reached and sacked the unprepared