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

Luffy vs Dogramag - Battles - Comic Vine

About this Fight: They've Earned It (1039 Spoilers) : r/OnePiece

Gear 5 Luffy vs Mark Grayson - Battles - Comic Vine

How far unlimited Gear 5 Luffy make it in the Thousand Year Blood War arc (Bleach)? - Battles - Comic Vine

King's durability is insane : r/OnePiece

Ignia vs nika luffy vs bankai Kenpachi - Battles - Comic Vine

How to anger a One Piece fanboy - Quora

About this Fight: They've Earned It (1039 Spoilers) : r/OnePiece

How fast is Luffy? - Quora

How fast is Luffy? - Quora

Can G5 Luffy oneshot Boros with Bajrang Gun? - Battles - Comic Vine