Agatha uses Poison and Ghost type Pokémon. The first Gengar has a 3-way combo of Confuse Ray, Toxic, and Double Team. Golbat will use Poison Fang to badly poison targets and make them flinch by using Bite. Haunter will use Mean Look to prevents its targets from escaping then Curse to make them lose HP every turn along with a Hypnosis-Dream Eater combo. Arbok will lower the target’s Defense stat by using Screech and Iron Tail with Sludge Bomb to add on and poison targets. The 2nd Gengar has a combo of Hypnosis and Nightmare. A move like Psychic will easily knock out the opposing team. ... https://www.youtube.com/watch?v=9gr2N5EGzho

On Cinnabar Island, get the Secret Key from the Pokémon Mansion then use it to access the gym. This gym has a puzzle with computers giving you a quiz to answer questions. If you guess a question correct, you’ll open the door to the next spot with the next computer quiz. If you guess a question wrong, you’ll be forced to battle a trainer. Beat the trainer for the door to open. After all shutters open, you’ll take on the gym leader. Blaine uses Fire type Pokémon. When Ponyta and Rapidash use Fire Spin, you can’t move as the move repeats itself for 2-5 turns. Their Stomp attack has a 30% chance of making targets flinch. Fire type moves like Ember can burn targets, reducing physical attack power and at the expense of HP every turn, so you had better have a Burn Heal. After winning, you’ll receive the Volcano Badge and a TM38 (Fire Blast). Fire Blast is a powerful Fire type move that has a 10% chance of burning the target. ... https://www.youtube.com/watch?v=n04oRiSnDg8