- If "Armageddon Knight" is Special Summoned during the Damage Step, you can activate his effect to send a DARK monster from your deck to the Graveyard.
- At the time of "Destiny Hero - Malicious" being sent to the Graveyard by the effect of "Foolish Burial"/"Armageddon Knight"/etc, the Turn Player cannot use Priority to activate the Ignition Effect of "Destiny Hero - Malicious". If the Turn Player passes Priority and does not activate a Spell Speed 2+ effect, then the opponent can activate the effect of "D.D. Crow" before the Turn Player can activate the effect of "Destiny Hero - Malicious".
- Konami FAQ: Effect Monster > Armageddon Knight
- Konami FAQ: [Damage Step] When "Armageddon Knight" is Special Summoned during the Damage Step, can its effect be activated?
- Konami FAQ: [Priority] At the time of a monster being sent to the Graveyard by the effect of "Armageddon Knight", can the Ignition Effect of a monster be activated?
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