Kikyo (桔梗, Kikyō?) is the one who was given the task of guarding and purifying the Shikon no Tama. She falls in love with InuYasha and considers using the Shikon no Tama to turn him from a half-dog demon into a full human; this would cause the Shikon no Tama to vanish, allowing her to live as an ordinary woman by his side. However, Naraku disguises himself as Inuyasha to attack her village, leaving her seriously wounded. Fooled by Naraku, Kikyo believes InuYasha has betrayed her and uses her remaining strength to seal InuYasha to the Sacred Tree, leaving him in a sleeping state for fifty years. Shortly before she dies, she orders that the Shikon no Tama be burned along with her remains on her funeral pyre. The Shikon Jewel disappears and is apparently destroyed, but is reborn seven hundred years later in the body of fifteen-year-old Kagome Higurashi, her reincarnation.
Text from wikipedia
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