Another point as to why Roger's Fire God Ace attack may be blunt damage bullet like attack is the Japanese pronunciation of '' Ace ''.. Generally in the Manga, the Japanese spelling of the English word Ace is always pronounced '' Eesu '', when instead here the spelling,
'' Eisu '', is searching to be more accurate with the exact pronunciation of the English word Ace in English.. Meaning it's not about the name of Roger's Sword or his future Son's name, but a reference to an English meaning.. Which is most likely a reference to Ace killling the entire enemy team in a single round by yourself in shooting video games..