If a "Blackwing" monster you control battles an opponent's monster, and your opponent still controls that monster at the end of the Damage Step: You can send this card from your hand to the Graveyard; inflict 1000 damage to your opponent.
| Detail | Value |
|---|---|
| Card Type | Effect Monster |
| Attribute | DARK |
| Level | 3 |
| ATK | 400 |
| DEF | 1600 |
| Race | Winged Beast |
| Archetype | Blackwing |