The Battle Frontier is a special facility in the Pokémon video game series, introduced in Pokémon Emerald. It offers unique battle challenges that differ from traditional gym battles, allowing players to test their skills against various trainers in different battle formats. Players can earn Battle Points by winning battles, which can be exchanged for rare items and Pokémon. The facility features several distinct areas, each with its own rules and challenges, making it a popular destination for competitive players seeking to enhance their strategies and team compositions.