What Is an Ultra Wormhole in 'Pokémon GO'? Catch Ultra Beasts

Ultra Wormholes are appearing at gyms in 'Pokémon GO,' but what are they, and what are they for? Use them to catch Ultra Beasts in the game.

Theory] Ultra Beasts and Arceus : r/pokemon

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What Is an Ultra Wormhole in 'Pokémon GO'? Catch Ultra Beasts

Pokemon GO: What is an Ultra Wormhole?

Ultra Wormhole - Bulbapedia, the community-driven Pokémon encyclopedia

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