An Undersea Place to Call Home! During a visit to the Muraille Coast before Ash’s Cyllage City Gym battle, Ash pulls up a Skrelp, which attacks Pikachu with its poison. Fortunately, they meet a couple along the beach road who heal Pikachu with a handy Antidote. Eddy and Lindsey are underwater archeologists in search of The Cussler, a luxury liner that sank many years ago, and the heroes decide to help them with their quest.