CORI-EN089 * Mortilux Heruvur * Ultra Rare * Chaos Origins BLGG-EN116 If you control a monster

If you control a monster that is not a "Burning Abyss" monster

If this card is destroyed by battle or card effect and sent to the GY: Inflict 1000 damage to your opponent

You can only use this effect of "Nightmare Apprentice" once per turn

up to the number of different Monster Types among the Link Monsters you control that are Insect

negate the Special Summon

CORI-EN089 * Mortilux Heruvur * Ultra Rare * Chaos Origins BLGG-EN116 If you control a monster2+ Level 8 monsters If a monster(s) is sent to your opponent's GY (except during the Damage Step): You can target 1 of them; attach it to this card. You can only use this effect of "Mortilux Heruvur" once per turn. This card gains effects based on the number of materials attached to it. 2+: Cannot be destroyed by battle or card effects. 3+: Your opponent cannot target cards in the GYs with card effects. 4+: You can detach 3 materials from this card;