King's durability without his fire is much lower than Luffy. - Gen. Discussion - Comic Vine

Luffy took ACoC with a smile while King without his fire after he took ACoC from Zoro which is weaker than ACoC from Kaido, King immediately activated

Soul King and Shibai Otsutsuki vs Gear 5th Luffy and Trafalgar Law - Battles - Comic Vine

Gear 5 Luffy gets first hit. - Battles - Comic Vine

Has Chopper had a serious fight post-time skip in One Piece? - Quora

King's durability without his fire is much lower than Luffy. - Gen. Discussion - Comic Vine

Kings durability with flame on is kaido level : r/OnePiecePowerScaling

One Piece deserves to be cancelled - Gen. Discussion - Comic Vine

Gremmy Thoumeaux vs Current Luffy and DF Natsu - Battles - Comic Vine

1 Admiral vs 3 First Mates - Battles - Comic Vine

Luffy vs Dogramag - Battles - Comic Vine

Sonic Saga Series Volume 3 Eggman Empire Review