You can send 1 monster from your hand to the Graveyard to target 1 face-up monster your opponent controls with ATK less than or equal to the ATK of the sent monster; and destroy the selected monster. During the End Phase of the turn this card destroys a monster by battle, you can send this face-up card from the field to the Graveyard to Special Summon 1 "Armed Dragon LV7" from your hand or Deck.