That is: Speedy Cerviche, Polly Esther, Guido Anchovie, General Catton, Bat Cat, Meowzma O'Tool, Spritz T. Cat vs Steven, Garnet, Pearl, Amethyst, Bismuth, Peridot, Lapis Lazuli. Arena has two three foot deep, ten foot wide ponds on either side. Poofed gems are removed from the battle.