In 476 CE, King Dhatusena ruled over Sri Lanka. One of his illegitimate sons, Kashyapa, wanted the throne – but knew his full-blood brother Moggallana was next in line. Determined to stake his claim, Kashyapa schemed with the commander of the army to overthrow Dhatusena. Lore says Kashyapa showed little mercy on his father, walling him up whil