Formation Node?

"Mayor Wu Xun, as you may have noticed by now, a few of our disciples have been dispatched to your city and they will be posted there for the time being. The time period for which they have been assigned there is undecided, and they will be there until they have been ordered to return.

During this period you are to assist them in whatever task they may need assistance with and will ensure that they are not hampered in their work.

If you do so, your previous transgressions will be forgiven and our previous cooperative relationship will be re-initiated. You can choose to reject this but know that the consequences of such will be yours to bear."

The letter this time was much shorter than the one that Lin Mu had seen before, and seemed to be more of a threat than an actual letter. 

"What is this? It's strange… could it be because of what I did before?" Lin Mu muttered in confusion.