Gym Mission
The fourth Pokemon Gym in Pokemon Shield is found in Stow-on-Side, and its a Ghost Type Gym. The Mission for this Pokemon Gym sees players having to slide down a slope in order to reach the Gym Stadium. Players will need to use the Control Stick on their Nintendo Switch to move left or right while sliding down the slope, using the various spirit hands to maneuver across the area. You will battle trainers from one slope to the next.
Gym Trainer Clive: Level 31 Pumpkaboo, Level 31 Phantump, Level 31 Pumpkaboo
Gym Trainer Roy: Level 33 Haunter, Level 33 Driftblim
Gym Leader Lynne: Level 32 Galarian Corsola
Gym Stadium
After defeating the Mission, you will go on to face the Gym Leader, Allister. Like the Pokemon Gym, he is a Ghost Type Trainer. He has four different Pokemon, and the final one he'll send into battle, Gengar, will have the ability to Gigantamax.
Gym Leader Allister: Level 34 Galarian Yamask, Level 34 Mimikyu, Level 35 Cursola, Level 36 Gengar
By defeating Allister, you will earn the Ghost Badge. With it, you will have the ability to catch Pokemon up to Level 40. You will also receive TM77 (Hex) and the Ghost Uniform.
Now that you know about the fourth Pokemon Gym, Click Here to learn about the fifth Pokemon Gym you'll face!