You really come off as disingenuous to compare Luffy's adv CoC attacks and the scabbards.
Luffy was KNOCKED OUT by Apoo, but serious people don't include pre-Kaido damage as being signficant to Luffy.
Pre adv CoC Luffy himself said his OWN attacks, which were FAR more potent than the other R5 with the exception of Asura, were TOO SHALLOW, and yet you think it is wise to factor in "40 named attacks" (much weaker than the shallow attacks from Luffy, including Kong gattling which was a barrage of hits, more than 40 in number likely) on the biggest durability freak in the series.
You are not a serious person.
Girigiri de tatteru, Yamato's own words hype Luffy's struggle far more than Kaido's who is only STARTING to show signs of fatigue prior to the final 1vs1.