"Ow... It hurts..."
Even though he had barely used any strength, Luffy, who had taken the blow, was sent flying as if he had suffered a grievous injury. He then lay on the ground, clutching his head tightly and rolling around as he cried out.
Zoro was stunned.
"Hey, Luffy, what are you doing? Didn't you say your body was made of rubber? Why can you feel pain!!!"
"I don't know either!"
Luffy clutched his head and stood up. Tears streamed from his eyes as he glared at Ace and shouted.
"His fists are just like Grandpa's. They hurt so much..."
Watching this scene, Ace looked even more disappointed.
"So you don't even know what Haki is?"
"Haki!!!"
This was the second time everyone present had heard that name.
The last time they had heard of Haki was the previous night, when Robin had told them about it.
Seeing this, Ace was certain.
"Looks like you really don't know. You're truly ignorant. You haven't even mastered Haki, yet you're thinking of venturing into the New World? You're far too naive. Are you children?"
Zoro did not become discouraged by Ace's taunts. Instead, his gaze grew serious.
He would never retreat on his path to becoming the World's Greatest Swordsman.
Now that he had encountered such an extraordinary power, how could he give up?
"So what exactly is Haki?"
"Oh, that's a good look in your eyes!"
Feeling Zoro's imposing aura at that moment, Ace was slightly surprised as well.
"In that case, I'll demonstrate it for you."
The moment he finished speaking, Ace suddenly seemed to become a completely different person in everyone's perception. The sunny young man he had been became a figure radiating killing intent. At the same time, his figure vanished from where he stood and lunged