That is interesting. And worth perfecting. A field that you can select what permeates it could be useful in all sorts of circumstances. [ He takes mental notes rather than physical ones, but he will also add this to his. ]

[ The scribbling is adorable though. He can see why she and Red Son get along. ]

Can the shield also appear in the middle of a mass? What I mean is, could creation of a shield around part of that thing's arm, but not the rest of the arm, sever it?