Ansem's Lost Report - Breaking down the World Terminus passage

“Ones born of the heart and darkness, devoid of hearts, ravage all worlds and bring desolation. Seize all hearts and consummate the great heart. All hearts to be one, one heart to encompass all. Realize the destiny: the realm of Kingdom Hearts. The great darkness sealed within the great heart. Progeny of darkness, come back to the eternal darkness. For the heart of light shall unseal the path. Seven hearts, one Keyhole, one key to the door. The door of darkness, tied by two keys. The door to...