"Well, Frisk and I were..." Wait. Should he say it? He promised Flowey to keep it a secret, but this is another world. It shouldn't be too big of an issue, right? He hesitates, looking away for a moment. "Well, the point is, there may be a way to break the barrier peacefully! Which is good, because the only other method would require taking human SOULs. In fact, six SOULs have already been taken."

He pauses, before waving it off. "But this is a different world! I don't think we have to worry about that soul business!"