Advanced format ruling
Darknight Parshath
Card effect (current official text)If this card destroys an opponent's monster by battle: You can banish 1 DARK monster from your Graveyard; draw 1 card. This card gains 100 ATK for each DARK monster in your Graveyard.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.