Reign-Beaux, Overlord Ruler of Dark World
Level 8 DARK
Fiend / Effect
 You can Special Summon this card (from your GY) by returning 1 Level 7 or lower “Dark World” Monster you control to your hand.
 If this card is discarded by card effect: You can add 1 Level 5 or higher “Dark World” Monster from your Deck to your hand, except “Reign-Beaux, Overlord Ruler of Dark World”, then if this card was discarded by your opponent’s card effect, you can Special Summon 1 Level 4 or lower “Dark World” Monster from your Deck or GY to either side of the field.
Grapha, Dragon Lord Ruler of Dark World
Level 10 DARK
Fiend / Fusion / Effect
1 “Grapha, Dragon Lord of Dark World” + 1 DARK monster.
You can only use the  effect of this card once per turn.
 When your opponent activates a Normal Spell/Trap or monster effect (Quick Effect): You can make that effect become “Your opponent’s chooses 1 card in their hand and discards it”.
 If this Fusion Summoned card leaves the field by your opponent’s card: You Special Summon 1 of your “Grapha, Dragon Lord of Dark World” that is banished or in the GY, then each player with a card in their hand, discards 1 card from their hand.
Dark World Puppet
You can only activate this card once per turn.
 Target up to 3 cards in the GYs; Banish them, then discard 1 Fiend monster.
 You can banish this card from your GY, then target 1 of your banished Fiend monsters, (except the turn this card was sent to the GY); Add it to your hand.
Dark World Accession
You can only use each of the   effects of this card once per turn
 During either Main Phase: Fusion Summon 1 Fiend Fusion monster by banishing materials from your field and/or GY. If Summoning a “Dark World” Fusion Monster this way, you can also discard monsters from your hand 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.