Western Australia co-captain Anneka Stephens says her side will need to start fast against the First Nations Gems in the Harvey Norman National Championships opens final on Sunday. Unbeaten Western Australia finished on top with the Gems, who only lost to WA, second after five matches over three days in Redcliffe. Stephens, a former forward for the Dragons in the NRLW, said the side "didn't expect" to make the final in their maiden campaign. It's the first time Western Australia and the Gems have fielded sides in the championships after a revamp of the format this year. "It's an amazing feeling to be in the final," Stephens told NRL.com.