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>Now that the reversion of the physical / special split makes all Normal- and Flying-type moves physical, Swellow's viability increases immensely. Because it has access to the newly physical Boomburst, Swellow now has an attack that is almost as strong as Giga Impact and is boosted by both Guts and Choice Band, which allows it to hit harder regardless of the set that it's using; this strong move allows Swellow to easily KO foes, and now it can KO Hoopa-U even more easily, making it marginally more useful in OU. Not only that, but Boomburst is also a sound move, which allows it to hit through Substitutes and makes its small 8 PP guaranteed to go to use. On the other hand, however, Boomburst being sound-based also means that all Pokémon with Soundproof are now immune to this move; nevertheless, the highest-tiered one is in RU, and the only Pokémon that actually use Soundproof as their ability are PU.
