Yes, just one Power Star was enough to make Jacob suffer. Although the other side was just a Star Lord's clone, each star had tens of thousands of clones. Jacob didn't know where the Power Star's real body was.
Moreover, the clone had been sealed there for many years and its star force had been weakened. Despite this, every one of his killing moves could almost take Jacob's life.
Fortunately, that pool of water in the holy land had the ability to repair injuries. Even if someone was severely injured, as long as they were placed in the Holy Pond, the injured person would recover and become vigorous in less than an hour.
Jacob really didn't know what would happen if he had met the 14 Major Stars at their peak. He didn't dare to think about it. If that was the case, he would just wait there to die.
"Don't you think that after each attack, your strength improved?" Spirit asked.
"Yes, of course, but the effect is not very obvious." Jacob thought for a moment then answered.