Ken Arok (or Ken Angrok), Rajasa (died c. 1227), was the founder and first ruler of Singhasari (also spelled Singosari), a medieval Indianized Hindu–Buddhist kingdom in the East Java area of Indonesia. He is considered the founder of the Rajasa dynasty of the Singhasari and Majapahit line of monarchs.[1] He came from humble origins but subsequently rose to be the most powerful ruler in Java. His life was coloured with adventures, treacheries, and tragedies