You can Ritual Summon this card with 'Dark Dragon Ritual'.
At the start of the Damage Step, if this card attacks a Defense Position monster: Destroy that monster. You can Tribute this card; Special Summon 1 'Red-Eyes' monster from your hand or Deck, except 'Black Dragon's Chick'. You can only use this effect of 'Knight of Dark Dragon' once per turn.
Atom 1.0
