So, he's in, but — the barricade... is it portable when it's not inflated? If not, it might not be easy to transport, and could need to be relinquished.

Separately, ahead of writing your acceptance notes: in Arc IV, characters are (mod-)assigned to one of two citadel halves: Eidris or Minaras. They also get a shiny role. They can still cross between regions, so you wouldn't be banning Kahl from acces to the other citadel half, or anything like that. But if you have a preference on assignment, drop a line.