After making it through the Burned Tower, you decide to explore Ecruteak City a bit more. After defeating Whitney for the Plain Badge, your fourth Pokémon Gym is in sight. The Gym Leader is Morty, a Pokémon Trainer that specializes in Ghost-Type Pokémon. You make it through the Gym Puzzle, walking on... nothing...? And are face-to-face with the Gym Leader.