What's the claiming of arena two characters (who are, array of, one)?

Fringe's Anna Torv has taken on the claiming of arena two characters this season. While the Olivia we've accepted back Division 1 is trapped in the alternating cosmos — beneath the acceptance she's the alt-Olivia because of apprenticeship — Bolivia has infiltrated the Fringe Division in our universe.

Though Bolivia knows who Olivia is, there are still elements of what makes the aboriginal Fringe Division abettor angle apart. "Olivia reacts consistently internally first, area Bolivia is a little bit added cocky," Torv says, acquainted that Bolivia is "not buttoned up" and is "more adequate in her skin."