Following the Summit War, he defeats Aokiji to claim the title of Fleet Admiral. Akainu ate the Magu Magu no Mi. This Logia-type Devil Fruit is one of the strongest in terms of pure destructive power.

Marine Admirals like Ryokugyu, Fujitora, Kizaru, Aokiji, Sakazuki ... Sakazuki, the current Fleet Admiral of the Marines, is certainly the strongest of the lot at the moment.