Pencak Silat Indonesian island, and displays the greatest diversity of techniques. Many Javanese schools such as Perisai Diri and Inti Ombak have been established internationally in Asia, Europe and America. Merpati Putih or "white dove" style was developed in the keraton (royal courts) of 17th century Mataram and was not taught publicly until 1963. Today it is the standard unarmed martial art of the Indonesian National Armed Forces. It includes weapons but focuses more on empty-handed self-defense and the development of internal strength developed through breathing techniques. Pencak silat in Java draws from traditional kejawen and Hindu-Buddhist Javanese beliefs but after Indonesia's
Pencak Silat a number of ethnic groups originally from the mountains of North Sumatra. The term typically refers to the Toba Batak while others may explicitly reject that label, preferring to identify themselves by their specific group. Batak silat is known by different names in each community, namely "mossak" (Toba), "moncak" (Mandailing), "ndikar" (Simalungun) and "dihar" (Karo). Mossak is the most commonly-used due to the Toba being the most numerous. While each style is distinct, all share similar characteristics and weaponry. The Batak were historically in a near-perpetual state of warfare with their neighbours, so warriors trained daily for combat. Training was