According to legend, Ken Arok, founder of the 13th-century Hindu-Buddhist Singosari kingdom, won his throne through a series of murders accomplished with a wavy dagger called a kris. Ken Arok’s dagger was powerful but it was also cursed, and ultimately it also killed its owner.
In Indonesian trance rituals, celebrants in trance states may stab themselves with krises. (Krises are also found in Malaysia, Brunei, Southern Thailand and the southern Philippines.) I think the stabbing is mostly symbolic, as several observers report they result in little or no blood.
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