Here, you can learn how to unlock all available gyms in Gym League on Roblox.

How do I unlock the Pirate Gym in Gym League? The Pirate Gym can be unlocked by raising your strength to 8.19 quintillion with the Emperor Body Alter and purchasing access with 1,000,000 Cash.

Gym League features multiple gyms to explore and build your strength in. In total, there are five gyms in the game, with the Underground GYM being the second in the unlock order.