THE story of Ken Arok and Ken Dedes is about betrayal. This Tumapel soldier in the Kediri Kingdom territory stabbed Tunggul Ametung and seized Ken Dedes from his embrace. After killing the ruler of Tumapel, Ken Arok then assembled a new kingdom, Singasari, and buried the previous monarchy led by Kertajaya: Kediri I (1042-1222).

In the Pararaton scriptures, it was depicted that the Singasari Kingdom lasted for 70 years. The Kediri II Empire defeate