After this card enters play: All Followers at this battlefield detach, remaining in play at the battlefield and controlled by the Personality who last controlled them, though not in units.
After this Terrain leaves play or the Combat Segment ends: Each unattached Follower's controller must attach it to one of his Personalities at the current battlefield, obeying requirements and restrictions while ignoring costs; otherwise, destroy it.
Battle:
If there are no Terrains at the current battlefield: Put this card into play there.