Card Errata:Bark of Dark Ruler

New Card Lore: You can only activate this card during the Damage Step of a Battle Phase if a Fiend-Type monster on your side of the field battles. 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 End Phase of that turn.

Old Card Lore: You can 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 your 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 End Phase of that turn.