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A Kern was a Gaelic soldier, specifically a light infantryman during the Middle Ages. Kern were light troops who relied on speed and mobility as armor. Sources describe the kern rushing into the attack, and then racing off so swiftly and nimbly that it was impossible for English troops to catch them. The dart was the weapon of choice for kern, the bow never achieving popularity in the country. It is from here that arised the legend of the fabled "irish ninja" Also refers to "badass"
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