The Stone Which Calls Monsters

Rei is visited by a ghost from his past when he lands in a desolate Observatory. After finding some evidence, Rei's origins and the truth behind Boris's destruction are revealed simultaneously: Rei was discovered as an infant inside of the SpaceTime Monster, Bullton, which had used its dimension bending abilities to cause Monsters to appear all over the planet. Shortly after learning of what was the cause of the Monsters' appearance, Bullton makes its presence known and it attacks the team with