Ok so Percy runs a gauntlet fighting every character from East Blue to Summit War
Round 1 (East Blue) Ax-Hand Morgan, Buggy, Kuro, Don Kreig, Arlong, and Smoker together
Round 2 (Alabasta and Skypea) Crocodile, all of Boroque Works, Enel & his Followers all together + Arc Maxim
Round 3 (Water 7 Saga) Rob Lucci, Franky, CP9, Buster Call Vice-Admirals (Strawberry, Yamakaji, Doberman, Onigumo and Momonga.), and Aokiji
Final Round (Summit War Saga) Aokiji, Kizaru, Akainu, Garp, Sengoku, Mihawk, Doflamingo, Moria, Boa, Kuma, Vice Admirals, and the Blackbeard Crew
Bonus: Percy gets the Curse of Achilles if he struggles at round 3
How far does he go?
Round 1 (East Blue) Ax-Hand Morgan, Buggy, Kuro, Don Kreig, Arlong, and Smoker together
Round 2 (Alabasta and Skypea) Crocodile, all of Boroque Works, Enel & his Followers all together + Arc Maxim
Round 3 (Water 7 Saga) Rob Lucci, Franky, CP9, Buster Call Vice-Admirals (Strawberry, Yamakaji, Doberman, Onigumo and Momonga.), and Aokiji
Final Round (Summit War Saga) Aokiji, Kizaru, Akainu, Garp, Sengoku, Mihawk, Doflamingo, Moria, Boa, Kuma, Vice Admirals, and the Blackbeard Crew
Bonus: Percy gets the Curse of Achilles if he struggles at round 3
How far does he go?