Hardened Armed Dragon

[ Dragon / Effect ] (This card is not treated as an "Armed Dragon" card.) You can Special Summon this card (from your hand) by sending 1 Level 8 or higher monster from your hand to the Graveyard. If you Tribute this card for the Tribute Summon of a Level 7 or higher monster, that monster cannot be destroyed by card effects. ATK/ 1500 DEF/ 800