One Piece Talent System - Chapter 373 *Hidden*

... once they cooperate with each other, although their Battle force will not be doubled but their cooperation will increase their power.

For example, Aokiji can fully release Ice Age and Hundred Beast Kaido and other Yonkō (Four Emperors) can rely on Armament Haki to resist this attack but the speed at which they can utilize Haki will be affected.

In this case, if Kizaru came and attacked them. Even Hundred Beast Kaido would not be defeated and he cannot be killed, it would also be ...