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 1

If this card is discarded to the Graveyard by a card effect: Special Summon this card from the Graveyard to your opponent's side of the field in face-up Defense Position. When this card is Special Summoned by the effect of a "Dark World" card: Your opponent must discard 1 card.

LIGHT 1

When this card is discarded to the Graveyard, Special Summon it.

LIGHT 6

You can discard this card; add 1 "Fiendsmith" Spell/Trap from your Deck to your hand. You can target 1 "Fiendsmith" Equip Card you control and 1 monster on the field; send them to the GY. If this card is in your GY: You can shuffle 1 other LIGHT Fiend monster from your GY into the Deck/Extra Deck; Special Summon this card. You can only use each effect of "Fiendsmith Engraver" once per turn.

DARK 4

You can only Special Summon "Genta, Gateman of Dark World" once per turn. You can discard this card to the GY; add 1 "The Gates of Dark World" from your Deck to your hand. If this card is banished and you control a "Dark World" card: You can Special Summon this card.

DARK 8

You can Special Summon this card (from your Graveyard) by returning 1 "Dark World" monster you control to the hand, except "Grapha, Dragon Lord of Dark World". If this card is discarded to the Graveyard by a card effect: Target 1 card your opponent controls; destroy that target, then, if this card was discarded from your hand to your Graveyard by an opponent's card effect, look at 1 random card in your opponent's hand, then, if it was a monster, you can Special Summon it to your side of the field.

LIGHT 4

(This card is always treated as a "Fiendsmith" card.) If this card is Normal or Special Summoned: You can send 1 "Fiendsmith" card from your Deck to the GY, except "Lacrima the Crimson Tears". During your opponent's turn, if this card is in your GY (Quick Effect): You can target 1 "Fiendsmith" Link Monster in your GY; shuffle this card into the Deck, and if you do, Special Summon that monster. You can only use each effect of "Lacrima the Crimson Tears" once per turn.

DARK 6

If this card is discarded to the Graveyard by a card effect: Special Summon it from the Graveyard, then, if this card was discarded from your hand to your Graveyard by an opponent's card effect, you can Special Summon 1 Fiend-Type monster from your Deck to either side of the field.

DARK 8

You can Special Summon this card (from your GY) by returning 1 Level 7 or lower "Dark World" monster you control to the hand. If this card is discarded to the GY by card effect: You can add 1 Level 5 or higher "Dark World" monster from your Deck to your hand, except "Reign-Beaux, Overking of Dark World", then, if this card was discarded from your hand to your GY by an opponent's card effect, you can Special Summon 1 Level 4 or lower "Dark World" monster from your Deck or GY to either field.

DARK 7

If this card is discarded from your hand to your Graveyard by an opponent's card effect: Special Summon this card from the Graveyard. When this card is Special Summoned this way: Destroy all monsters your opponent controls OR all Spell/Trap Cards they control.

DARK 5

If this card is discarded to the Graveyard by a card effect: Special Summon it from the Graveyard, then, if this card was discarded from your hand to your Graveyard by an opponent's card effect, your opponent returns exactly 2 cards from their hand to the bottom of their Deck, in any order.

DARK 4

If this card is discarded to the Graveyard by a card effect: If it was discarded from your hand to your Graveyard by an opponent's card effect, you can target 1 monster in your opponent's Graveyard; add 1 "Dark World" card from your Deck to your hand, then Special Summon that target (if any) in face-up Defense Position.

DARK 12

"Reign-Beaux, Overlord of Dark World" + 2+ Fiend monsters If this card is Fusion Summoned: You can destroy all cards your opponent controls. This card's original ATK/DEF each become the number of materials used for its Summon x 1000. Once per turn (Quick Effect): You can target 1 face-up card you control; discard 1 card, also your opponent cannot target that face-up card with card effects for the rest of this turn.

DARK 10

"Grapha, Dragon Lord of Dark World" + 1 DARK monster When your opponent activates a monster effect, or a Normal Spell/Trap Card, while you have a card(s) in your hand (Quick Effect): You can activate this effect; the activated effect becomes "Your opponent discards 1 card". You can only use this effect of "Grapha, Dragon Overlord of Dark World" once per turn. If this Fusion Summoned card in its owner's control leaves the field because of an opponent's card: You can Special Summon 1 of your "Grapha, Dragon Lord of Dark World" that is banished or in your GY, then each player with a hand discards 1 card.

DARK 6

2 Fiend and/or Zombie monsters Once per turn, during your Standby Phase, pay 500 LP or destroy this card. Cannot be destroyed by battle. You can only use each of the following effects of "The Duke of Demise" once per turn. During your Main Phase, you can: Immediately after this effect resolves, Normal Summon 1 monster. You can banish this card from your GY, then target 1 Level 4 or higher Fiend or Zombie monster in your GY; add it to your hand.

LIGHT

2+ monsters, including a LIGHT Fiend monster Once per turn (Quick Effect): You can target 1 LIGHT non-Link Fiend monster in your GY; Special Summon it, and if you do, equip this card you control to that monster as an Equip Spell with the following effects. ● The equipped monster gains ATK equal to the total Link Rating of Link Monsters equipped to it x 600. ● If the equipped monster attacks a Defense Position monster, inflict piercing battle damage to your opponent.

LIGHT

1 LIGHT Fiend monster You can only Special Summon "Fiendsmith's Requiem(s)" once per turn. During the Main Phase (Quick Effect): You can Tribute this card; Special Summon 1 "Fiendsmith" monster from your hand or Deck. You can target 1 LIGHT non-Link Fiend monster you control; equip this card from your field or GY to that monster you control as an Equip Spell that gives it 600 ATK. You can only use this effect of "Fiendsmith's Requiem" once per turn.

LIGHT

2 monsters, including a LIGHT Fiend monster During your Main Phase: You can Fusion Summon 1 Fiend Fusion Monster from your Extra Deck, by shuffling its materials from your GY into the Deck. You can target 1 LIGHT non-Link Fiend monster you control; equip this card from your field or GY to that monster you control as an Equip Spell with the following effect. ● Your opponent cannot target the equipped monster with card effects. You can only use each effect of "Fiendsmith's Sequence" once per turn.

LIGHT

2 Effect Monsters You can target 1 face-up monster your opponent controls this card points to; this turn, if you Link Summon a Link-5 monster using this card you control, you can also use that monster your opponent controls as material. You can only use this effect of "Moon of the Closed Heaven" once per turn.

DARK

2 Effect Monsters Cannot be used as Link Material the turn it is Link Summoned. If a monster(s) you control would be destroyed by battle or card effect, you can Tribute 1 Fiend monster instead. You can target 1 Fiend monster in your GY, except "Muckraker From the Underworld"; discard 1 card, and if you do, Special Summon that monster, also you cannot Special Summon monsters for the rest of this turn, except Fiend monsters. You can only use this effect of "Muckraker From the Underworld" once per turn.

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 10

1 Tuner + 1+ non-Tuner LIGHT or DARK monsters For this card's Synchro Summon, you can treat 1 LIGHT or DARK monster you control as a Tuner. If this card is Special Summoned: You can target 1 card on the field; banish it. This card gains these effects based on the original Attributes of materials used for its Synchro Summon. ● LIGHT: Synchro Monsters you control are unaffected by monster effects activated by your opponent. ● DARK: Monsters you control cannot be destroyed by battle.

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 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 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.

LIGHT 1

When this card is Normal Summoned while a Synchro Monster is on the field: You can Special Summon 1 "Resonator" monster from your Deck, except "Chain Resonator".

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.

LIGHT 2

Once per turn: You can discard any number of cards, and if you do, this card gains 1 Level and 400 ATK for each discarded card, until the end of this turn.

FIRE 2

When this card is Normal Summoned: You can Special Summon 1 Level 4 or lower monster from your hand. When this card is Special Summoned: You can target 1 face-up monster on the field; gain LP equal to its ATK. You can only use this effect of "Red Resonator" once per 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.

DARK

2+ Level 8 monsters Once per turn, during your Standby Phase: You can attach 1 card from your opponent's GY to this card as material. You can only use each of the following effects of "Number 1: Infection Buzzking" once per turn. If this card is Xyz Summoned: You can look at your opponent's Extra Deck and send 1 card from it to the GY. You can detach 1 material from this card, then target 1 card your opponent controls; destroy it, then if you destroyed a face-up monster, inflict damage to your opponent equal to half the ATK it had on the field.

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 Normal

Add 1 "Dark World" monster from your Deck to your hand, then discard 1 card. You can only activate 1 "Dark Corridor" per turn.

Spell Quick

During the Main Phase: Fusion Summon 1 Fiend Fusion Monster from your Extra Deck, by banishing materials mentioned on it from your field or GY. If Fusion Summoning a "Dark World" monster this way, you can also discard monsters as material. During your Main Phase, if this card is in your GY: You can add this card to your hand, then discard 1 "Dark World" monster. You can only use each effect of "Dark World Accession" once per turn.

Spell Continuous

During your Main Phase: You can discard 1 "Dark World" monster, and if you do, "Dark World" monsters you currently control gain ATK equal to the Level the discarded monster had in the hand x 100, until the end of this turn. If a monster whose original Type is Fiend is discarded from your hand by the effect of a "Dark World" card or an opponent's card effect, even during the Damage Step: You can discard 1 card, then draw 2 cards. You can only use each effect of "Dark World Archives" once per turn.

Spell Normal

Add 1 LIGHT Fiend monster from your Deck to your hand, then discard 1 card. You can banish this card from your GY; Fusion Summon 1 "Fiendsmith" Fusion Monster from your Extra Deck, using monsters from your hand or field. You can only use each effect of "Fiendsmith's Tract" once per turn.

Spell Field

All Fiend-Type monsters gain 300 ATK and DEF. Once per turn: You can banish 1 Fiend-Type monster from your Graveyard; discard 1 Fiend-Type monster, then draw 1 card.

Trap Counter

When a monster(s) would be Normal or Special Summoned: You can negate the Summon, and if you do, destroy that monster(s), then discard 1 Fiend monster. If a "Dark World" monster(s) you control would be destroyed by battle or an opponent's card effect, you can banish this card from your GY instead. You can only use each effect of "Dark World Punishment" once per turn.

Trap Normal

Target 1 monster on the field with 2000 or more ATK; banish it (until the End Phase of the next turn), then if you activated this card while you controlled "Red Dragon Archfiend" or a Synchro Monster that mentions it, you can Set 1 "Fiendish Chain" directly from your Deck or GY.

Trap Normal

This turn, your LIGHT Fiend monsters cannot be destroyed by battle, also any battle damage you take becomes halved. You can banish this card from your GY; Fusion Summon 1 "Fiendsmith" Fusion Monster from your Extra Deck, using monsters you control, and/or monsters in your Spell & Trap Zones that are equipped to a "Fiendsmith" monster as an Equip Spell, as material. You can only use this effect of "Fiendsmith Kyrie" once per turn.

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.