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You know, given that near the end of the DLC trailer lingered for a moment on that giant glyph in the one cave where Roaring Moon/Iron Valiant spawns, and they're still introducing the Paradox versions of the Legendary Beasts/Swords of Justice makes me think you're supposed to take all three of your game's Paradox Trio there, and that's when you get the fused Paradox Pokemon you see in the Books.
Of course I could just be coping and we'll never have something that cool ever happen.
