Super Smash Bros. Ultimate: Challenger Pack 9 introduces Pyra and Mythra from Xenoblade Chronicles 2 to the Nintendo Switch platform. This expansion pack adds two new fighters, each with unique abilities and playstyles, enriching the game's diverse roster. Players can switch between Pyra, who specializes in powerful attacks, and Mythra, known for her speed and agility, allowing for dynamic combat strategies.

In addition to the new characters, Challenger Pack 9 includes a new stage and music tracks from Xenoblade Chronicles 2, enhancing the overall gaming experience. The integration of these elements not only expands gameplay options but also provides fans of the original game with nostalgic content. With its full version license, this pack is a must-have for players looking to deepen their Super Smash Bros. Ultimate experience.