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 - $1.10
Lightly Played Unlimited - $1.10
Moderately Played Unlimited - $1.05
Heavily Played Unlimited - $1.00
Damaged Unlimited - $0.95
![Bark of Dark Ruler [LOD-EN010] Common | Tables and Towers](http://tablesandtowers.myshopify.com/cdn/shop/products/a190d774-21de-5226-99ef-73867940c7cc.jpg?v=1702648771)
