When this card is placed from your hand to the Outside Area, you may place it face-down under a <Pentagon> or a [Trait: Devil Chojin] character with required energy of 3 or more on your area.

When this face-down card is placed from under a character on your area to the Outside Area, you may place 1 card from your hand to the Outside Area. If you did, play this card to your Front Line rested. This effect of <Black Hole> can only be activated once per turn.