>>276281573Indeed, especially when you consider the following:
Fujitora possesses a Supreme Grade Blade, placing him among the likes of roger and whitebeard.
Additionally, it is stated that rayleigh and roger were equals. Keep in mind that Kizaru was on equal footing (or more) with rayleigh during their clash in Sabaody.
Now, take a look at the attached image. Notice that Akainu effortlessly blows whitebeard's (roger's only rival, mind you) brains out.
Now, with all of this in mind, we can safely come to two conclusions:
1) The weakest Admiral is, at the very least, pirate king level
and
2) The Fleet Admiral is above pirate king level
The emperors were never even close to being strong. Sad, but true!