"I have practiced shackling magicks since I was but a child, and have recently even made strides using the internment spell... though I still require a bit of aid to cast it properly. My capacity is yet lacking... But, I shall continue to work on it."

Though the threat within Pandæmonium has subsided, if Emet-Selch says there may be a threat here, then it must be so. It would be best for him to prepare for it beforehand.