Oda explains how Marco’s Blue Fire works

D: Hello for the first time, Oda-sensei. I was thinking, I don’t quite understand how “Phoenix Marco”‘s Zoan fruit of the “legendary beast” kind is different from Ace’s “Meramera” fruit. P.N. CNY

O: Yeah… To explain Marco’s ability just a little bit: he’s Zoan, so he does have a body. But since he’s got “the blue fire of revival” – the Phoenix’s ability – wounds will regenerate, so attacks will not damage him (though there’s a limit to the regeneration). In other words, the flames are for regeneration. These blue flames don’t have the characteristics of actual fire – they don’t spread and burn things, and they aren’t hot. They’re completely different from Ace’s flames.