theosleague
TheOSLeague
Welcome challenger, to the ultimate test that the Serebii Battling Forums can give you! In this league, you will face some of Serebiis top Wi-Fi battlers, and only by defeating them can you hope to gain the title of the Champion of the OSL!
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TheOSLeague's social media profiles
Follow TheOSLeague on all their official and verified social media channels and stay updated on their latest posts, news, videos, vlogs and more.
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