If this card is Special Summoned: Inflict 800 damage to your opponent, then make 1 monster your opponent controls lose 800 ATK and DEF. You can only use this effect of 'Blackwing - Nothung the Starlight' once per turn. During your Main Phase, you can Normal Summon 1 'Blackwing' monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)