Origins: Kongoh Bancho
Classification: Human-Kongoh (giant humanoid) hybrid
Threat level: God-
Physical strength: Moon+ (dislodged the earth's core all the way from the surface of the planet just as a side-effect of his fight with his brother)
Destructive capacity: At least continent+
Durability: Moon+ (was taking blows from his brother who had similar strength)
Speed: Massively hypersonic+ (by virtue of size, due to his height of 300+ meters he'd look drastically slower to beings the size of regular humans)
Intelligence: High. Shown to be considerably smart and conscious across the series, he has shown that he well knows his bodies capacity and how to use it with insight. He has a considerable amount of battle experience and is a gifted fighter.
Stamina: High. As a Kongoh his body can withstand superhuman ordeals, his body can easily keep fighting even after inhuman amounts of damage or exhaustion. In fact, his healing tends to be on a higher rate than human opponents can usually damage him.
Standard equipment: None, Akira is solely a hand to hand fighter. Although he has shown to be fond of using large objects, like in chapter 1 when his weapon of choice to assault a Yakuza base was a car.