Players can face off against Lucas or Dawn in a battle in Pokémon Brilliant Diamond and Shining Pearl. Depending on what gender the player chooses at the beginning will determine which character the player will face off against.
Trainers who began their adventure with the male protagonist will battle Dawn while the female-led will face off against Lucas. Regardless, this character plays the role of Professor Rowan's lab assistant who is also collecting data on Pokémon while exploring the Sinnoh
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