Inside Udon Prison, Zoro closed his eyes, gripping the Seastone on Ace's wrists tightly. With utter concentration, he applied the method Xiaohu had taught him, drawing spiritual energy out of the Seastone.
However, Zoro was not yet proficient enough with this technique. Just as he had absorbed barely half of the spiritual energy, a commotion erupted outside.
"Hey! Zoro, Ace, get out here! Lord Queen wants to see you." The deputy warden of Udon Prison, a hippopotamus-man, shouted loudly.
Chapter 173