You can only activate this card during the Damage Step of the Battle Phase that a Fiend-Type monster on your side of the field attacks or is attacked. Pay Life Points (in multiples of 100 points) to decrease 1 of your opponent's monster''s ATK and DEF by the same amount of points until the End Phase of that turn.
Near Mint Unlimited - $1.00
Lightly Played Unlimited - $1.00
Moderately Played Unlimited - $0.90
Heavily Played Unlimited - $0.80
Damaged Unlimited - $0.70
![Bark of Dark Ruler [LOD-EN010] Common | Deep Dive Games St. Marys](http://deepdivegames.store/cdn/shop/files/a190d774-21de-5226-99ef-73867940c7cc.jpg?v=1734133523)
