With the information shared by "Aoki Shinshi," Han Dong has already recorded all the details related to the ancient mansion in his mind, including the other five secret rooms where the treasure chests are stored.
The most prudent solution now is: [Return to the street, go to different villa areas to gather clues, kill the corresponding resentful aggregation to obtain six keys, and open all the mysterious treasure chests.]
Even if all the mysterious treasure chests don't contain the "Box of Resentment,"
they should still hold important clues or valuable game items, surely won't be a loss.
Since the two teams have reached a temporary alliance, the task burden is relatively halved.
However, Han Dong has other ideas.
"Nicholas, what do you think?
Since we are cooperating, we can return to the street. Based on the experience we've gained, acquiring two more keys per team should be no problem.