| Final Forbidden Field |
(Saishū Kindan Fīrudo)
The card type is not included in the deck or hyperspatial zone, and is composed of 5 cards, with one placed in the center of 4 others that are used as seals.
|FORBIDDEN STAR ~World's Last Day~|
|Darkness / Fire / Final Forbbiden Field|
| ■ 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.
Each seal that you remove has an ability that triggers.
|(Upper Left)||When this seal is removed, destroy one of your opponent's creatures that has power 1111 or less.|
|(Upper Right)||When this seal is removed, one of your creatures gets "slayer" until the end of the turn.|
|(Bottom Left)||When this seal is removed, one of your creatures gets "power attacker +2222" until the end of the turn.|
|(Bottom Right)||Forbidden Big Bang: When this seal is removed, if there are no more seals on this Final Forbidden Field, flip all 5 cards and meld them as one creature.|