As you about to beat him and he immediately transformed, There's now a red aura surrounding him very intensely and the ground now has a color of red underneath him, this transformation is called "Human V4 Awakening" and his eyes are glowing Red which increases his strength, Speed, Durability and endurance, stamina.

Human v4: Ready to fight now?

He says this with Full of confidence and Excitement.

Yet you don't know if you can defeat him or not? Unless you have something within You.