Effect
At the start of the Damage Step, if this card battles a DARK monster: Destroy that monster.
The monster effect of "Vampire Killer" is a Trigger Effect.
This effect activates automatically at the start of the Damage Step when "Vampire Killer" battles a face-up DARK monster.
If the opponent's monster that "Vampire Killer" attacked is in face-down Defense Position at the start of the Damage Step, the monster effect of "Vampire Killer" does not activate.
This effect does not target.
Continue with related public research
From this rulings page you can jump back into card data, set archives, tournament decks, banlist checks, and market movers.
Card database
Search Yu-Gi-Oh! cards, archetypes, stats, and printings.
Set archive
Navigate booster sets and inspect all cards in each release.
Tournament decks
Browse competitive decklists, player finishes, and archetype trends.
Banlist status
Check the current status of Yu-Gi-Oh! cards on the banlist.
Market movers
Track the top Yu-Gi-Oh! price gainers and momentum cards.