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Ferma (Japanese: スーラSeurat) is a Miror B.Peon. In Pokémon Colosseum, she is never seen without Reath, as the two always partner together. They are first seen in a cinema sequence, where they are with Miror B., who exits and leaves Pyrite Building in their guard. Wes arrives at the building and defeats Reath. Ferma is also defeated, and her Shadow Pokémon, Mantine, is snagged. This saves Silva, who was previously being held captive by the two women, from them.
They show up again in a jail cell in Pyrite Town, resulting in Folly and Trudly moving to separate cells nearby.
Once Wes has beaten Evice, all four prisoners escape. Reath and Ferma both flee to the room in Pyrite Cave where Miror B. is fought. They battle with Wes and then remain there.
Their actual status as members of Cipher is foggy; they may not know the entire plan, but only what Miror B. tells them.