Alliance for Justice

The "Ally of Justice" alliance was formed to fend off invasive creatures from outer space.

Use the power of unity that transcends tribal boundaries to exterminate the oncoming "Worms"!

This 1st part of the Solo Mode gate: "Terminal World" in Yu-Gi-Oh! Master Duel focuses on the Ally of Justice archetype.

• → Alliance for Justice
• → Mechanical Beings in Sync
• → The Sword of Will - X-Saber
• → The Creatures of Naturia Forest

Like most Gates in Solo Mode, each Duel can be played with either the player's own Deck or a provided Loaner Deck fitting the theme of the Gate, with separate rewards for each. Completing this gate for the first time unlocks the "Justice Before Attribute" Secret Pack for 24 hours.

Chapter 1: Scenario

Main article: Master Duel card storylines § Alliance for Justice

• Reward: 150

Chapter 2: Scenario

• Reward: 150

Chapter 3: Practice

Learn the ins and outs of "Ally of Justice" Decks.

This chapter serves as a tutorial for using the Ally of Justice archetype.

• Reward: 150

Chapter 4: Duel 1

Your opponent is Dueling with a Deck based around "Worm" monsters that have effects that activate upon flipping face-up. Using Spell Cards, they will attack you with monsters with fortified ATK.

Some monsters such as "Worm Yagan" have effects that activate when flipping, but since they are not Flip monsters, they cannot be dealt with using "Ally of Justice Searcher," which is useful when dealing with Flip monsters. Keep on the offensive, but be wary of what your opponent's Set monster could be.

• Reward (Loaner): "Ally of Justice Clausolas" x3
• Reward (My Deck): 150

Loaner Deck

While "Ally of Justice" monsters have powerful effects against LIGHT monsters and face-down Defense Position monsters, there are also monsters that have effects that can be your Achilles' heel.

Try to determine which of your monsters can effectively counter your opponent's in the early stages of the Duel.

Once you get the hang of the Deck, we recommend using cards that support Machine-Types and aim to Synchro Summon your trump card Synchro Monster.

The Power of the Alliance

Main Deck Monster Cards (27) Effect Monsters Jet Synchron x2 Ally of Justice Unlimiter x3 Ally of Justice Unknown Crusher x2 Ally of Justice Cyclone Creator x3 Ally of Justice Searcher x2 Ally of Justice Cycle Reader x3 Ally of Justice Core Destroyer Ally of Justice Thousand Arms Ally of Justice Nullfier x3 Ally of Justice Reverse Break x2 Ally of Justice Quarantine x2 Ally of Justice Thunder Armor Ally of Justice Cosmic Gateway x2 Spell Cards (11) Normal Spells Raigeki Harpie's Feather Duster Double Summon x2 Iron Call x3 Iron Draw x2 Lightning Storm Quick-Play Spells Limiter Removal Trap Cards (2) Continuous Traps Shapesister x2 Extra Deck (15) Synchro Monsters Ally of Justice Catastor x3 Ally of Justice Light Gazer x3 Ally of Justice Field Marshal x3 Ally of Justice Decisive Armor x3 Xyz Monsters Gear Gigant X x3

Opponent's Deck

A Deck that utilizes Reptile-Type "Worm" monsters of Level 4 and below. Try using the powerful strategy of sending "Worm Yagan" to the Graveyard with the effect of "Worm Xex", then Special Summoning "Worm Yagan" from the Graveyard in face-down Defense Position with its own effect.

To take advantage of effects that can be activated when a card is flipped, use Spell and Trap cards to supplement ATK and DEF while battling.

Star-Devouring Invader

Main Deck Monster Cards (25) Effect Monsters Worm Hope x2 Worm Linx x3 Worm Opera x3 Worm Barses x3 Worm Jetelikpse Worm Cartaros x3 Worm Solid x3 Worm Tentacles x3 Worm Xex x2 Worm Yagan x2 Spell Cards (12) Normal Spells Double Summon x3 Equip Spells Axe of Despair x3 Field Spells Sorcerous Spell Wall x3 Continuous Spells Worm Call x3 Trap Cards (3) Normal Traps Burst Rebirth x3 Extra Deck (12) Fusion Monsters Humanoid Worm Drake x3 Worm Zero x3 Xyz Monsters Gagagigo the Risen x3 King of the Feral Imps x3

Chapter 4.1: Locked

You must use 300 to unlock this chapter.

Chapter 4.2: Duel 2

Union monsters become Equip Cards that strengthen the monster they are equipped. In addition to effects that increase ATK and DEF, they often have effects that protect from destruction via battle or effect, so when destroying the opponent's monster via battle or a card's effect, make sure to check that the criteria for destruction are met before proceeding. Monsters equipped with "Torque Tune Gear" are particularly threatening as they are treated as Tuners, enabling the opponent to Synchro Summon.

• Reward (Loaner): Protector ("Ally of Justice Catastor")
• Reward (My Deck): 2

Loaner Deck

A Deck that incorporates a myriad of DARK Machine-Type monsters, as well as "Ally of Justice" monsters. Use the effect of the "Ally of Justice" monsters to bring out the effects of other cards. For example, "Ally of Justice Reverse Break" will be destroyed if there is a LIGHT monster on the field, but if you have "Desperado Barrel Dragon" in your hand, you can Special Summon it upon the former's destruction!

Responsive Mobile Weapons

Main Deck Monster Cards (30) Effect Monsters Ally of Justice Unlimiter x3 Black Salvo x3 Spell Reactor ・RE Ally of Justice Cycle Reader x3 Twin-Barrel Dragon x3 Ally of Justice Thousand Arms x3 Trap Reactor ・Y FI Ally of Justice Reverse Break x3 Ally of Justice Quarantine x2 BM-4 Blast Spider x2 Summon Reactor ・SK Blowback Dragon Flying Fortress SKY FIRE Desperado Barrel Dragon x3 Spell Cards (7) Normal Spells Monster Reborn Field Spells Heavy Metal Raiders x3 Continuous Spells Solidarity x3 Trap Cards (3) Normal Traps Super Team Buddy Force Unite! x3 Extra Deck (15) Synchro Monsters Ally of Justice Catastor x3 Dark Strike Fighter x2 Samurai Destroyer F.A. Dawn Dragster Ally of Justice Light Gazer x2 Dark Flattop Ally of Justice Field Marshal Crystron Quariongandrax Vermillion Dragon Mech Ally of Justice Decisive Armor Xyz Monsters Gear Gigant X

Opponent's Deck

A Deck that contains Machine-Type Union Monsters that support "Ally of Justice" monsters.

A Union Monster is a monster that can be used in two different states: it can become an Equip Card that supports a monster, or conversely, it can be Special Summoned as a monster from its Equip Card state.

Make good use of Union Monster's characteristics to Synchro Summon "Ally of Justice" monsters.

Conjoining Mobile Weapons

Main Deck Monster Cards (30) Effect Monsters Torque Tune Gear x3 Unauthorized Bootup Device Oilman x3 Machina Peacekeeper x3 Heavy Mech Support Platform x3 Ally of Justice Unknown Crusher x3 Ally of Justice Cyclone Creator x2 Heavy Mech Support Armor x2 Ally of Justice Thousand Arms x3 Ally of Justice Nullfier x3 Machina Gearframe x3 Machina Fortress Spell Cards (7) Continuous Spells Frontline Base x3 Machina Armored Unit x3 Quick-Play Spells Combination Attack Trap Cards (3) Normal Traps Roll Out! x3 Extra Deck (15) Synchro Monsters Armory Arm x3 Ally of Justice Catastor x3 Ally of Justice Light Gazer x2 Ally of Justice Field Marshal x2 Ally of Justice Decisive Armor x2 Xyz Monsters Gear Gigant X x3

Chapter 4.3: Duel 3

The opponent will attempt to Tribute Summon high-Level "Ally of Justice" monsters while using "Monarch" Spell/Trap Card effects as support. Some cards to be wary of include "The Monarchs Stormforth," which enables your monsters to be Tributed for a Tribute Summon, and "Escalation of the Monarchs," which creates opportunities for Tribute Summoning even when it is not their turn. If 2 Level 8 DARK monsters are played, they may Xyz Summon "Number 22: Zombiestein." Make sure to prevent the Xyz Summon by dealing with the opponent's monsters one at a time.

• Reward (Loaner): Icon ("Ally of Justice Catastor")
• Reward (My Deck): 200

Loaner Deck

The opposing monster will not necessarily be a LIGHT monster. If you cannot take advantage of an "Ally of Justice" monster's effect, use an effect such as that of "DNA Transplant" to change the Attribute of the opposing monsters to LIGHT.

Furthermore, take note of the effect of "Black Garden." Try to use the Special Summoning effect of "Rose Token" to Special Summon "Ally of Justice Cosmic Gateway," or Synchro Summon Synchro Monsters.

Bewitching Garden

Main Deck Monster Cards (22) Effect Monsters Magical Hound Ally of Justice Unlimiter x2 Ally of Justice Unknown Crusher x2 Ally of Justice Cyclone Creator x3 Ally of Justice Cycle Reader x2 Ally of Justice Core Destroyer x3 Ally of Justice Thousand Arms x2 Ally of Justice Nullfier x3 Ally of Justice Rudra x2 Ally of Justice Cosmic Gateway x2 Spell Cards (12) Normal Spells Foolish Burial Terraforming Double Summon x2 Equip Spells Scroll of Bewitchment x2 United We Stand x2 Field Spells Black Garden x3 Quick-Play Spells Super Rush Headlong Trap Cards (6) Normal Traps Super Team Buddy Force Unite! x3 Continuous Traps DNA Transplant x3 Extra Deck (15) Synchro Monsters Ally of Justice Catastor x2 Garden Rose Maiden Goyo Guardian Hi-Speedroid Kendama Black Rose Dragon Gungnir, Dragon of the Ice Barrier Vylon Delta Samurai Destroyer Ally of Justice Light Gazer Ally of Justice Field Marshal Ally of Justice Decisive Armor Xyz Monsters Virtual World Dragon - Longlong Number 76: Harmonizer Gradielle Link Monsters Reprodocus

Opponent's Deck

This Deck makes use of high-Level "Ally of Justice" monsters by utilizing "Monarch" Spell and Trap Cards.

For example, you can use the effect of "Eidos the Underworld Squire" to Tribute Summon "Ally of Justice Thunder Armor," use the effect of "Mithra the Thunder Vassal" to Special Summon "Ally of Justice Cosmic Gateway," and so on.

Origin of the Alliance

Main Deck Monster Cards (25) Normal Monsters Ally of Justice Clausolas x3 Effect Monsters Edea the Heavenly Squire x3 Ally of Justice Unlimiter Mithra the Thunder Vassal x3 Eidos the Underworld Squire x3 Ally of Justice Cyclone Creator x3 Ally of Justice Rudra x2 Ally of Justice Omni-Weapon x2 Ally of Justice Thunder Armor x2 Ally of Justice Cosmic Gateway x2 Caius the Mega Monarch Spell Cards (6) Normal Spells Pantheism of the Monarchs x3 Continuous Spells March of the Monarchs x2 Quick-Play Spells The Monarchs Stormforth Trap Cards (9) Continuous Traps The First Monarch x3 Escalation of the Monarchs x3 The Prime Monarch x3 Extra Deck (15) Synchro Monsters Armory Arm x3 Ally of Justice Catastor x3 Giganticastle x3 Xyz Monsters Gachi Gachi Gantetsu x3 Number 22: Zombiestein x3

Chapter 5: Goal

This chapter serves as a Scenario.

• Reward: "Ally Mind" x3