 Prime the region's group membership list for any users present.
 Prime the region's group membership list for any users present.

Optimizes the case of crossing by child agents into this region.

M-O-S-E-S/halcyon,zwagoth/halcyon,InWorldz/halcyon,zwagoth/halcyon,kf6kjg/halcyon,zwagoth/halcyon,InWorldz/halcyon,M-O-S-E-S/halcyon,kf6kjg/halcyon,kf6kjg/halcyon,emperorstarfinder/halcyon,InWorldz/halcyon,M-O-S-E-S/halcyon,emperorstarfinder/halcyon,M-O-S-E-S/halcyon,kf6kjg/halcyon,InWorldz/halcyon,M-O-S-E-S/halcyon,zwagoth/halcyon,zwagoth/halcyon,emperorstarfinder/halcyon,InWorldz/halcyon,kf6kjg/halcyon,zwagoth/halcyon,kf6kjg/halcyon,M-O-S-E-S/halcyon,InWorldz/halcyon,kf6kjg/halcyon,zwagoth/halcyon,kf6kjg/halcyon,M-O-S-E-S/halcyon,emperorstarfinder/halcyon,M-O-S-E-S/halcyon,emperorstarfinder/halcyon,kf6kjg/halcyon,zwagoth/halcyon,InWorldz/halcyon,zwagoth/halcyon,emperorstarfinder/halcyon,M-O-S-E-S/halcyon,emperorstarfinder/halcyon,InWorldz/halcyon,InWorldz/halcyon