■ At the start of the game, put this Final Forbidden Field into the battle zone as a field linked by attaching 4 seals on each of its corners.
■ You can only remove a seal when you summon a Darkness or Fire command that costs 5 or more or put it into the battle zone through ZERO once per turn.
■ You can't attack with creatures except Darkness or Fire Initials, Darkness or Fire Commands or creatures that have "Forbidden" in their name.
■ This Final Forbidden Field can't leave the battle zone.