The stone falls

Jon walked into the hallway and saw Mikey and Zoe exit their rooms. He kept walking to the stairs, observing the changes that undertook them. He then heard the sound of something hard hitting the floor. He looked back and saw the stone. It was an equal distance from all three of the kids. Mikey, who had taken on Zoe's personality, recognized the stone instantly. Zoe just thought it was cool looking. All three of them looked at each other and went for the stone. When they were done, the person who had the stone was...