Worthy Adversaries is a Secret Pack in the video game Yu-Gi-Oh! Master Duel. Available in-game from the onset of the video game's release, it is only accessible for 24 hours each time the player obtains an appropriate Key Card.
Description[edit]
Bring Monster power to the helm with multitudes of "Subterror" Flip effects and the collective strength of the many varieties of "Generaider" Monster!
Each pack contains 8 cards, with the first 4 cards always consisting of ones from Master Pack and the last 4 consisting of featured cards from this pack. The rarities are guaranteed as follows:
- The eighth card in each pack is R rarity or higher.
- If 10 packs are purchased at once, the eighth card of the 10th pack is instead guaranteed to be SR rarity or higher.
- If no UR cards are obtained from those 10 packs, the next time the player purchases 10 of those same packs, the eighth card of the 10th pack is instead guaranteed to be UR rarity.
This pack has 40 featured cards, which consist of:
- 4 UR cards
- 8 SR cards
- 12 R cards
- 16 N (aka Common) cards
| Name | Rarity | Category |
|---|
| "Subterror Behemoth Fiendess" | Ultra Rare | Effect Link Monster |
| "Jormungandr, Generaider Boss of Eternity" | Ultra Rare | Effect Xyz Monster |
| "Subterror Guru" | Ultra Rare | Flip monster |
| "Mardel, Generaider Boss of Light" | Ultra Rare | Effect Monster |
| "Subterror Nemesis Warrior" | Super Rare | Effect Monster |
| "Subterror Behemoth Umastryx" | Super Rare | Flip monster |
| "Subterror Behemoth Stalagmo" | Super Rare | Flip monster |
| "Hela, Generaider Boss of Doom" | Super Rare | Effect Monster |
| "Harr, Generaider Boss of Storms" | Super Rare | Effect Monster |
| "Loptr, Shadow of the Generaider Bosses" | Super Rare | Effect Monster |
| "The Hidden City" | Super Rare | Field Spell |
| "Generaider Boss Fight" | Super Rare | Normal Trap |
| "Subterror Behemoth Ultramafus" | Rare | Flip monster |
| "Subterror Behemoth Speleogeist" | Rare | Flip monster |
| "Cataclysmic Scorching Sunburner" | Rare | Effect Monster |
| "Cataclysmic Cryonic Coldo" | Rare | Effect Monster |
| "Frodi, Generaider Boss of Swords" | Rare | Effect Monster |
| "Dovelgus, Generaider Boss of Iron" | Rare | Effect Monster |
| "Utgarda, Generaider Boss of Delusion" | Rare | Effect Monster |
| "Cataclysmic Crusted Calcifida" | Rare | Effect Monster |
| "Cataclysmic Circumpolar Chilblainia" | Rare | Effect Monster |
| "Generaider Boss Stage" | Rare | Field Spell |
| "Subterror Final Battle" | Rare | Normal Trap |
| "Subterror Succession" | Rare | Normal Trap |
| "Subterror Nemesis Archer" | Common | Effect Monster |
| "Subterror Behemoth Stygokraken" | Common | Flip monster |
| "Subterror Nemesis Defender" | Common | Effect Monster |
| "Subterror Behemoth Dragossuary" | Common | Flip monster |
| "Subterror Behemoth Voltelluric" | Common | Flip monster |
| "Subterror Fiendess" | Common | Effect Monster |
| "Subterror Behemoth Phospheroglacier" | Common | Flip monster |
| "Naglfar, Generaider Boss of Fire" | Common | Effect Monster |
| "Nidhogg, Generaider Boss of Ice" | Common | Effect Monster |
| "Subterror Cave Clash" | Common | Continuous Spell |
| "Generaider Boss Quest" | Common | Normal Spell |
| "Generaider Boss Loot" | Common | Continuous Spell |
| "Subterror Behemoth Burrowing" | Common | Normal Trap |
| "Parthian Shot" | Common | Counter Trap |
| "Generaider Boss Room" | Common | Continuous Trap |
| "Generaider Boss Bite" | Common | Normal Trap |
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