Level 9 monsters you control cannot be destroyed by card effects. You can only use each of the following effects of "Knightmare Incarnation Idlee" once per turn.
* If the total Link Rating of the monsters on the field is 8 or more (Quick Effect): You can Special Summon this card from your hand.
* If this card is Special Summoned, while your opponent controls more Link Monsters than you do: You can send all Link Monsters on the field to the GY.