Nirvana is the essence of power created from when Rei and Sakura was fighting to kill each other in the past. Their blood was mixed together causing this "Power", killing the scientist in Eden. Eden named it "Nirvana"
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Nirvana is the essence of power created from when Rei and Sakura was fighting to kill each other in the past. Their blood was mixed together causing this "Power", killing the scientist in Eden. Eden named it "Nirvana"