Heroic Deck Breakdown

DARK 4

If this card is in your hand or GY: You can send 1 other card from your hand or field to the GY; Special Summon this card, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except DARK Dragon Synchro Monsters. You can target 1 face-up monster you control that has a Level; send 1 Fiend Tuner from your hand or Deck to the GY, and if you do, increase or decrease that monster's Level by 1. You can only use each effect of "Bone Archfiend" once per turn.

DARK 8

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing 3 monsters. Negate the effects of face-up monsters while your opponent controls them. Once per turn: You can target 1 monster your opponent controls; equip that target to this card (max. 1). Gains ATK equal to half the original ATK of the monster equipped to it by this effect.

DARK 12

There can only be 1 "Earthbound Immortal" monster on the field. During the Main Phase (Quick Effect): You can banish this card from your hand or GY; send 1 "Earthbound Immortal" monster or "Red Dragon Archfiend" from your hand or face-up Monster Zone to the GY, then you can apply 1 of these effects. ● Special Summon 1 "Earthbound" monster from your Deck or Extra Deck. ● Special Summon 1 "Red Nova Dragon" from your Extra Deck. (This is treated as a Synchro Summon.) You can only use this effect of "Earthbound Immortal Red Nova" once per turn.

DARK 5

If you control a Fiend Tuner and this card is in your hand: You can Special Summon this card. If this card is Special Summoned: You can reduce its Level by up to 2. If this card is sent to the GY as Synchro Material for "Red Dragon Archfiend" or a Synchro Monster that mentions it: You can target 1 Level 4 or lower Fiend monster in your GY; Special Summon it in Defense Position. You can only use each effect of "Fiend Piece Golem" once per turn.

DARK 5

A "Red Dragon Archfiend" that was Synchro Summoned using this card as material cannot be destroyed by battle. You can only use each of the following effects of "Power Vice Dragon" once per turn. If you control no monsters, or all monsters you control are DARK Synchro Monsters: You can Special Summon this card from your hand. If this card is Special Summoned: You can add 1 "Resonator" monster from your Deck to your hand, also you cannot Special Summon from the Extra Deck for the rest of this turn, except DARK Synchro Monsters.

DARK 4

When a card effect is activated in your opponent's GY (Quick Effect): You can send this card from your hand to the GY; negate that effect.

DARK 10

1 Tuner + 1+ non-Tuner Dragon monsters You can target 1 banished LIGHT or DARK monster; Special Summon it to your field. When your opponent activates a monster effect (Quick Effect): You can target 1 banished card; shuffle it into the Deck, then if you shuffled it into your Deck, destroy that monster, or if you shuffled it into your opponent's Deck, negate that activated effect. You can only use each effect of "Bystial Dis Pater" once per turn.

DARK 7

1 "Resonator" Tuner + 1+ non-Tuners (This card is always treated as "Crimson Blader".) If this card is Synchro Summoned: You can take 1 Level 8 or higher monster that cannot be Normal Summoned/Set from your Deck or GY, and either add it to your hand or Special Summon it, but negate its effects. You can only use this effect of "Crimson Blade Dragon" once per turn. At the start of the Damage Step, if this card battles a Level 5 or higher monster: You can destroy that monster.

DARK 8

1 Tuner + 1+ non-Tuner monsters When your opponent activates a monster's effect (Quick Effect): You can banish it. If this attacking card destroys an Effect Monster by battle and sends it to the GY: This card gains ATK equal to the destroyed monster's original ATK, also it can make a second attack on a monster during this Battle Phase. You can only use each effect of "Draco Berserker of the Tenyi" once per turn.

DARK 8

1 Tuner + 1 or more non-Tuner monsters After damage calculation, if this card attacks a Defense Position monster your opponent controls: Destroy all Defense Position monsters your opponent controls. During your End Phase: Destroy all other monsters you control that did not declare an attack this turn. This card must be face-up on the field to activate and to resolve this effect.

DARK 12

4 Tuners + 1+ non-Tuner Synchro Monsters Must first be Synchro Summoned with the above materials. Gains 500 ATK for each Tuner in your GY. Your opponent cannot target this card with card effects, also it cannot be destroyed by your opponent's card effects. Once per turn (Quick Effect): You can banish this card, also banish as many cards in your opponent's field and GY as possible, then you can Special Summon 1 "Red Nova Dragon" from your Extra Deck (this is treated as a Synchro Summon).

DARK 12

2 Tuners + "Red Dragon Archfiend" This card gains 500 ATK for each Tuner monster in your Graveyard. Cannot be destroyed by an opponent's card effects. When an opponent's monster declares an attack: You can target the attacking monster; banish this card, and if you do, negate that attack. During the next End Phase: Special Summon this card banished by this effect.

DARK 6

1 Fiend Tuner + 1+ non-Tuner monsters When this card is Synchro Summoned: You can target 1 "Resonator" monster in your GY; Special Summon it. You cannot Special Summon monsters from the Extra Deck the turn you activate this effect, except DARK Dragon Synchro Monsters. During your Main Phase, except the turn this card was sent to the GY: You can banish this card from your GY, then target 2 Level 1 "Resonator" monsters in your GY; Special Summon both.

DARK 12

3 Tuners + 1+ non-Tuner Synchro Monsters Must first be Synchro Summoned. Gains 500 ATK for each Tuner in your GY. Cannot be destroyed by your opponent's card effects. Once per turn, when your opponent's monster effect is activated, or when an opponent's monster declares an attack (Quick Effect): You can activate this effect; banish this card, also banish all cards your opponent controls. Once per turn, during your next End Phase after this card was banished by its own effect: Special Summon this banished card.

DARK 5

1 Tuner + 1 or more non-Tuner monsters If this card is destroyed by battle and sent to the Graveyard, or if this card you control is sent to your Graveyard by an opponent's card effect: You can target 1 monster in either player's Graveyard, except "Samsara, Dragon of Rebirth"; Special Summon it. You can only use this effect of "Samsara, Dragon of Rebirth" once per turn.

DARK 8

1 Tuner + 1+ non-Tuner DARK monsters This card's name becomes "Red Dragon Archfiend" while on the field or in the GY. If this card is sent from the Monster Zone to the GY: You can Special Summon 1 "Red Dragon Archfiend" from your Extra Deck (this is treated as a Synchro Summon), then, if this card was sent to the GY as Synchro Material for a DARK Dragon Synchro Monster, you can destroy all Attack Position monsters your opponent controls. You can only use this effect of "Scarred Dragon Archfiend" once per turn.

DARK 11

1 Tuner + 1+ non-Tuners Your opponent cannot target this card with card effects. You can only use each of the following effects of "Storm-Bane Dragon Destorbim" once per turn. You can banish any number of DARK monsters from your GY that cannot be Normal Summoned/Set; banish that many cards your opponent controls. This is a Quick Effect if your opponent controls more cards than you do. If this card is sent to the GY: You can Special Summon 1 of your banished Dragon monsters.

DARK 8

1 Tuner + 1+ non-Tuner DARK monsters If this card is Synchro Summoned: You can add 1 card that mentions "Red Dragon Archfiend" from your Deck to your hand. When your opponent activates a monster effect (Quick Effect): You can banish this card you control; Special Summon 1 "Red Dragon Archfiend" from your Extra Deck (this is treated as a Synchro Summon), and if you do, its ATK becomes doubled, also it cannot be destroyed by your opponent's card effects. You can only use each effect of "The Crimson King" once per turn.

DARK 7

1 Tuner + 1+ Synchro Monsters If this card you control would be used as Synchro Material, you can treat it as a non-Tuner. When a card or effect is activated in response to another card or effect activation (Quick Effect): You can activate 1 of these effects; ● Negate the first effect, and if you do, destroy that card. ● Negate the second effect, and if you do, destroy that card. You can only use this effect of "Zalen the Shackled Dragon" once per turn.

DARK 2

If you control no monsters: You can Special Summon this card from your hand. If the only other monster you control is exactly 1 DARK Dragon Synchro Monster: You can Special Summon up to 2 "Resonator" monsters from your hand or Deck, except "Crimson Resonator". You can only use each effect of "Crimson Resonator" once per turn. You cannot Special Summon monsters from the Extra Deck, except DARK Dragon Synchro Monsters, the turn you activate either of this card's effects.

DARK 3

You can reveal 1 "Red Dragon Archfiend" in your Extra Deck; Special Summon this card from your hand, also you cannot Special Summon from the Extra Deck for the rest of this turn, except Synchro Monsters. If this card is Special Summoned: You can activate this effect; during your Main Phase this turn, you can Normal Summon 1 "Resonator" monster, in addition to your Normal Summon/Set (you can only gain this effect once per turn). You can target any number of Tuners you control; change their Levels to 1. You can only use each effect of "Darkness Resonator" once per turn.

FIRE 1

If this card is Normal or Special Summoned: You can target 1 face-up monster on the field; that target is treated as a Tuner this turn. You can banish this card from your GY, then target 1 Fiend monster you control; that Fiend monster is treated as a Tuner this turn. You can only use this effect of "Double Resonator" once per turn.

LIGHT 1

If your opponent controls a face-up monster(s) that was Special Summoned from the Extra Deck and you do not, while this card is in your hand or Graveyard: You can Special Summon this card, but banish it when it leaves the field. You can only use this effect of "Mirror Resonator" once per turn. Once per turn: You can target 1 face-up monster your opponent controls; treat this card's Level as that monster's original Level if this card is used for a Synchro Summon this turn.

FIRE 3

If this card is Normal or Special Summoned: You can add 1 Level 4 or lower Fiend monster from your Deck to your hand, except "Soul Resonator", also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except DARK Synchro Monsters. If a card(s) you control would be destroyed by card effect, while you control "Red Dragon Archfiend" or a Synchro Monster that mentions it, you can banish this card from your GY instead. You can only use each effect of "Soul Resonator" once per turn.

DARK 1

If a Synchro Monster is on the field, you can Special Summon this card (from your hand). You can only Special Summon "Synkron Resonator" once per turn this way. If this card is sent from the field to the Graveyard: You can target 1 "Resonator" monster in your Graveyard, except "Synkron Resonator"; add it to your hand.

DARK 2

If a Level 5 or higher DARK monster is on the field, you can Special Summon this card (from your hand). You can only Special Summon "Vision Resonator" once per turn this way. If this card is sent to the GY: You can add 1 Spell/Trap that mentions "Red Dragon Archfiend" from your Deck to your hand. You can only use this effect of "Vision Resonator" once per turn.

Spell Quick

Target 1 "Red Dragon Archfiend" you control; if it battles an opponent's monster this turn while you control it, apply these effects until the end of the Damage Step. ● It gains 1000 ATK. ● Your opponent cannot activate cards or effects. ● If it attacks a Defense Position monster, inflict piercing battle damage to your opponent. ● Any battle damage your opponent takes from that battle is doubled.

Spell Quick

Activate 1 of these effects; ● Set 1 "Archfiend" Trap from your Deck or GY. It can be activated this turn. ● Ritual Summon 1 "Archfiend" Ritual Monster from your hand or face-up Extra Deck, by Tributing monsters from your hand or field whose total Levels equal or exceed its Level. You can only activate 1 "Archfiend's Usurpation" per turn.

Spell Quick

Discard 1 card, then target 2 face-up monsters on the field; change them to face-down Defense Position.

Spell Normal

Add 1 Level 4 or lower Fiend monster from your GY to your hand, or if you control "Red Dragon Archfiend" or a Synchro Monster that mentions it, you can add 1 such monster from your Deck instead. At the end of the Damage Step, if your "/Assault Mode" monster or "Red Dragon Archfiend" attacked: You can banish this card from your GY; the attacking monster can make a second attack in a row. You can only activate 1 "Crimson Call" per turn.

Spell Continuous

During your Main Phase: You can add 1 "Red Dragon Archfiend" or 1 card that mentions it from your Deck or GY to your hand, except "Crimson Gaia". When your "Red Dragon Archfiend" declares an attack: You can change all monsters your opponent controls to face-down Defense Position. If a monster(s) on the field is destroyed by battle or card effect: You can Special Summon 1 "Red Dragon Archfiend" from your GY. You can only use each effect of "Crimson Gaia" once per turn.

Spell Quick

Activate 1 of these effects. ● Target 1 face-up monster your opponent controls; change that target's battle position. ● Tribute 1 monster, then target 1 face-up monster your opponent controls; take control of that target until the End Phase.

Spell Quick

Send any number of other cards from your hand and/or field to the GY; choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated. In response to this card's activation, your opponent cannot activate cards, or the effects of cards, with the same original type (Monster/Spell/Trap) as the cards sent to the GY to activate this card. You can only activate 1 "Forbidden Droplet" per turn.

Spell Normal

If you control a "Red Dragon Archfiend": Destroy all Spell and Trap Cards your opponent controls.

Spell Continuous

You can discard 1 card; send 1 Fiend monster from your Deck to the GY. You can send this face-up card from your Spell & Trap Zone to the GY; send "Infernoid" monsters with different names from your hand and/or Deck to the GY, up to the number of monsters your opponent controls that were Special Summoned from the Extra Deck. You can only use 1 "Void Apocalypse" effect per turn, and only once that turn.

Trap Normal

Special Summon 1 Level 7 or lower "Archfiend" monster from your hand or Deck, or if you have an "Archfiend" Ritual Monster in your face-up Extra Deck, you can Special Summon up to 1 each of "Royal Archfiend", "Duke Archfiend", and "Highness Archfiend" from your hand and/or Deck instead. You can only activate 1 "Archfiend Playtime" per turn.

Trap Normal

If you control a Fiend monster: Target 1 card on the field; destroy it, then, you can send 1 Fiend monster from your Deck to the GY.

Trap Counter

When a Spell Card is activated: Discard 1 Spell; negate the activation, and if you do, destroy it, and if you do that, your opponent cannot activate Spell Cards with that name for the rest of this Duel.

Trap Normal

During the turn in which your opponent has Special Summoned 10 or more monsters, neither player can activate cards or effects in response to this card's activation. Apply the following effects in sequence, based on the number of monsters your opponent Special Summoned this turn. ● 1+: Special Summon 1 DARK Synchro Monster from your GY or banishment. ● 3+: Every "Red Dragon Archfiend" in your Monster Zone is unaffected by your opponent's activated effects, until the end of your next turn. ● 5+: Change all your opponent's monsters to face-down Defense Position. You can only activate 1 "King's Resonance" per turn.

Trap Continuous

Your opponent's monsters cannot declare attacks. During each of your End Phases, you must pay 1000 LP (this is not optional), or this card is destroyed. You can target 1 Level 1 Tuner monster in your Graveyard; destroy this card, and if you do, Special Summon that target. "Red Dragon Archfiend" must be on the field to activate and to resolve this effect.

Trap Continuous

When your opponent activates a card or effect while you control "Red Dragon Archfiend" or a Synchro Monster that mentions it: You can target 1 card on the field; destroy it. You can target 1 of your banished DARK Dragon Synchro Monsters; Special Summon it. You can only use each effect of "Red Zone" once per turn.

Trap Normal

This turn, neither player can Special Summon monsters with the same card types (Ritual, Fusion, Synchro, Xyz, or Link) they already control. If you do not control 2 or more of the same card types (Ritual, Fusion, Synchro, Xyz, or Link), all Ritual, Fusion, Synchro, Xyz, and Link Monsters you currently control gain 500 ATK. You can only activate 1 "Simul Archfiends" per turn.