Neesha was one of the rare trainers who made it to New Island—just her, Corey, Fergus, and Ash's crew. She rode there on her Dewgong's back, which was pretty cool. Once she arrived, she ended up battling Mewtwo's clone army, throwing her Blastoise, Shellshocker, into the fight. It didn't go well; the cloned Blastoise took her down fast with a Rapid Spin attack.
Like everyone else trapped on the island, all of Neesha's Pokémon got cloned by Mewtwo.
Content compiled by AnimeList.moe from publicly available sources.
