The World Government issued an absolute obliteration order, and the Navy Headquarters came out in full force, just to turn that dilapidated restaurant in the East China Sea into powder - because the boss, Feng Wan, forked the Celestial Dragon into the frying pan in front of the Five Old Stars.
I can turn any food into combat power, and make Devil Fruit users kneel down to order. The exploding overlord color is just the aftermath of the plating.
Luffy cried and begged for rice, Hawkeye bowed down for dessert, and Redhead offered the face fruit in exchange for a place. When the four emperors started queuing up to draw numbers, I was finally convinced of this pirate world.