Battle Frontier after beating the Pokémon League Champion. The Battle Frontier features the aforementioned Battle Tower in addition to six new areas. Completing these areas awards players with "Battle Points" which can be spent on prizes to use in and out of battle. The Japanese version features compatibility with the Nintendo e-Reader; however, this was cut for the English release due to its lack of success. Also featured is the Trainer Hill area which, in the Japanese version, is compatible with the e-Reader. Rare Pokémon that originated from earlier Pokémon games such as Mew, Lugia, and Ho-Oh were made available through an in-game event. Setting and story The setting and story remain largely the same as Ruby and Sapphire. Players can choose between either a boy or girl, both of whom have been given new outfits with a green color scheme, and one of three Pokémon before they proceed from their hometown into the rest of the game's world. Players are tasked with filling their Pokédex by catching different Pokémon species and evolving them. They are also tasked to complete eight gym challenges and defeat the Elite Four and its Champion by battling their Pokémon. Along the way, they make two rivals: May or Brendan, the child of the Pokémon Professor Birch, and Wally, a timid child from Petalburg who the player assists in catching his first Pokémon, a Ralts. They also encounter Wallace, the Hoenn Region's Champion. Along their journey, they face both Team Magma and Team Aqua, who originally could only be faced in Ruby and Sapphire, respectively. Both have a goal to change the world they believe will benefit Pokémon—Magma desiring to expand the landmass and Aqua desiring to expand the sea—and both plan to accomplish their respective goals by summoning the legendary Pokémon Groudon and Kyogre, respectively. Both teams make repeated efforts to alter the landscape. Team Magma attempts to make a volcano erupt and Team Aqua tries to steal a weather-altering Pokémon. Between the player's visit to the seventh and eighth gyms, both teams summon their respectively-sought legendary Pokémon with mystical orbs stolen from Mt. Pyre; however, the Pokémon refuse to obey either team and begin fighting, which puts the world in a constantly switching state of droughts and heavy rainfalls. The player climbs a tower in order to summon the legendary Pokémon Rayquaza, who quells the other two Pokémon's rage. After the player defeats