Beiige, Vanguard of Dark World
Level 4 DARK/Fiend Effect1600 ATK / 1300 DEF
If this card is discarded to the Graveyard by a card effect: Special Summon it from the Graveyard.
Broww, Huntsman of Dark World 3
Level 3 DARK/Fiend Effect1400 ATK / 800 DEF
If this card is discarded to the Graveyard by a card effect: Draw 1 card, plus another card if this card was discarded from your hand to your Graveyard by an opponent's card effect.
Brron, Mad King of Dark World
Level 4 DARK/Fiend Effect1800 ATK / 400 DEF
When this card inflicts battle damage to your opponent: You can discard 1 card.
Ceruli, Guru of Dark World
Level 1 DARK/Fiend Effect100 ATK / 300 DEF
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.
Charge Into a Dark World
Normal SpellTarget 1 Level 4 or lower Fiend monster in your GY; Special Summon it, then discard 1 Fiend monster. You can only activate 1 "Charge Into a Dark World" per turn.
Clorless, Chaos King of Dark World
Level 12 DARK/Fiend Fusion Effect? ATK / ? DEF
"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.
Cyberdark Realm
Continuous SpellWhen this card is activated: You can add 1 "Cyberdark" monster from your Deck to your hand, with a different name from the cards in your GY. During your Main Phase, you can: Immediately after this effect resolves, Normal Summon 1 "Cyberdark" monster. You can only use the previous effect of "Cyberdark Realm" once per turn. If you equip a monster from your GY by the effect of a "Cyberdark" monster that activated when it was Normal or Special Summoned, you can equip from your opponent's GY instead. You can only activate 1 "Cyberdark Realm" per turn.
Dark World Accession
Quick-Play SpellDuring 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.
Dark World Archives 5
Continuous SpellDuring 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.
Dark World Brainwashing
Continuous TrapWhen an opponent's monster activates its effect, if you have 3 or more cards in your hand (except during the Damage Step): You can target 1 "Dark World" monster on the field; return it to the hand, and if you do, the activated effect becomes "Discard 1 random card from your opponent's hand".
Dark World Dealings 5
Normal SpellEach player draws 1 card, then each player discards 1 card.
Dark World Grimoire
Continuous SpellDuring your End Phase, if you discard a monster(s) to the Graveyard because you had more cards than your hand size limit: You can target 1 of those monsters; Special Summon that target.
Dark World Lightning
Normal SpellTarget 1 Set card on the field; destroy that target, then discard 1 card.
Dark World Punishment
Counter TrapWhen 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.
Dark World Puppetry
Quick-Play SpellTarget up to 3 cards in any GY(s); banish them, then discard 1 Fiend monster. During your Main Phase, except the turn this card was sent to the GY: You can banish this card from your GY, then target 1 of your banished Fiend monsters; add it to your hand. You can only activate 1 "Dark World Puppetry" per turn.
Gateway to Dark World
Quick-Play SpellTarget 1 "Dark World" monster in your Graveyard; Special Summon that target. You cannot Summon other monsters the turn you activate this card (but you can Set).
Genta, Gateman of Dark World
Level 4 DARK/Fiend Effect1000 ATK / 1800 DEF
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.
Goldd, Wu-Lord of Dark World
Level 5 DARK/Fiend Effect2300 ATK / 1400 DEF
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 up to 2 cards your opponent controls; Special Summon this card from the Graveyard, then destroy those targets (if any).
Grapha, Dragon Lord of Dark World 5
Level 8 DARK/Fiend Effect2700 ATK / 1800 DEF
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.
Grapha, Dragon Overlord of Dark World 5
Level 10 DARK/Fiend Fusion Effect3200 ATK / 2300 DEF
"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.
Gren, Tactician of Dark World
Level 2 DARK/Fiend Effect300 ATK / 500 DEF
If this card is discarded to the Graveyard by a card effect: Target 1 Spell/Trap Card on the field; destroy that target.
Kahkki, Guerilla of Dark World
Level 2 DARK/Fiend Effect300 ATK / 500 DEF
If this card is discarded to the Graveyard by a card effect: Target 1 monster on the field; destroy that target.
Latinum, Exarch of Dark World
Level 6 DARK/Fiend Effect1500 ATK / 2400 DEF
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, target 1 Fiend-Type monster on the field; Special Summon this card from the Graveyard, then that target (if any) gains 500 ATK.
Lucent, Netherlord of Dark World
Level 6 DARK/Fiend Effect2400 ATK / 0 DEF
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.
Parl, Hermit of Dark World
Level 1 DARK/Fiend Effect300 ATK / 100 DEF
If this card is discarded to the GY by card effect: You can target 1 "Dark World" monster in your GY, except "Parl, Hermit of Dark World"; Special Summon it to either field, then, if this card was discarded from your hand to your GY by an opponent's card effect, you can Special Summon, to either field, 1 of your Fiend monsters that is banished, or in your hand or GY. You can only use this effect of "Parl, Hermit of Dark World" once per turn.
Reign-Beaux, Overking of Dark World
Level 8 DARK/Fiend Effect3000 ATK / 1800 DEF
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.
Reign-Beaux, Overlord of Dark World
Level 7 DARK/Fiend Effect2500 ATK / 1800 DEF
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.
Renge, Gatekeeper of Dark World
Level 4 DARK/Fiend Normal100 ATK / 2100 DEF
His renowned athletic physique has made him famous with the populace of Dark World. They call him "Iron Wall Renge" because no one can break through his incredible defenses.
Scarr, Scout of Dark World
Level 2 DARK/Fiend Effect500 ATK / 500 DEF
When this card is destroyed by battle and sent to the Graveyard: Add 1 Level 4 or lower "Dark World" monster from your Deck to your hand.
Sillva, Warlord of Dark World 100
Level 5 DARK/Fiend Effect2300 ATK / 1400 DEF
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.
Snoww, Unlight of Dark World 33
Level 4 DARK/Fiend Effect1700 ATK / 0 DEF
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.
The Gates of Dark World 5
Field SpellAll 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.
Zure, Knight of Dark World
Level 4 DARK/Fiend Normal1800 ATK / 1500 DEF
The name of this illustrious knight is known by all residents of Dark World. He never oppresses the commoners.