OSRS Grid Master Underwater Agility Guide
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The underwater area in Grid Master is the single fastest way to reach 92 Agility. It’s short, simple, and surprisingly AFK once you know what to bring.
How to Train Agility Underwater
The underwater minigame unlocks automatically as you progress through the main grid. Once you have access, just equip your flippers and start swimming through the underwater course. Each run takes about five minutes, giving consistent Agility XP every lap.
Depending on relic boosts you can get 92 Agility in roughly one to two hours. The course XP scales directly with the Grid Master multiplier, so having it maxed out makes this method absurdly efficient.
Required Gear and Setup
Flippers are mandatory for movement underwater. If you don’t have them, grab them from the Mogre area near Port Khazard before heading in.
Sages’ Greaves can also act as flippers. If you already own them, you don’t need to bring normal flippers at all.
Bring Stamina potions or energy relics if you don’t have constant run energy.
Always activate your fastest movement relics for better lap times.
Lamp and Relic Synergy
Many players skip normal training entirely and instead combine underwater XP with lamps. Once you finish the Hallowed Sepulchre tile or hit 2,000 total level, start using all Achievement Diary lamps on Agility. With boosts and linked XP multipliers, that alone can finish the skill.
Some players also link Agility to Thieving or Slayer. That combo gives passive XP while you train those faster skills, making it possible to hit 92 Agility without even finishing the full underwater grind.
Why Underwater Agility Works Great
Short laps mean steady, fast XP
Fully AFK for large parts of the course
Lamp synergy completes the level faster
Scales with all global XP boosts
Flippers or Greaves reduce setup time
Final Blurb
Underwater Agility in Grid Master isn’t fancy, but it’s perfect for fast XP. Grab your flippers, activate your relics, and you’ll be level 92 before you finish your coffee. If you pair it with Thieving or Slayer links, you’ll make even more progress while barely doing anything.
FAQ
How fast is underwater Agility training
Around one to two hours for level 92 with boosts active.
Do you need flippers
Yes, or Sages’ Greaves, which count as flippers for the course.
Can you AFK underwater Agility
Mostly yes, each lap only needs light input.
Do lamps affect Agility XP
Yes, lamps from Achievement Diaries or total level milestones add massive XP boosts when used here.
Is there any reason to train Agility elsewhere
Not really, underwater training outpaces every other method in Grid Master.
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