Speculations Akainu has no Idea about the sword.

[Kuroshika]

And his heart beats at the speed of light

Ultimate m a n

 

[Rmstorm]

Luffy is causing the Marines to split into two. The Alabasta incident will make the good marines, break away from Akainu and the WG + corrupt Marines.

The 80% of the Marines that supported Akoji becoming Fleet Admiral will break away from the WG and ally with Luffy, including

Smoker
Koby
Garp
Kuzan
Fujitora
Vegapunk