Pokémon Masters EX has launched the Champion Stadium Kalos Challenge, giving players the chance to take on powerful opponents and earn a place in the Hall of Fame. The event runs from Aug. 30 at 11 p.m. PT through Oct. 4 at 10:59 p.m. PT and is available to players who have completed Main Story Chapter 10: A Reason to Battle (Normal) in single-player and collected all PML Badges. Medal and Hall of Fame progress is saved by region, while the featured region and event schedule may change in future rotations.
Source: Official Pokémon Masters EX site
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