is it okay to return to this game? I missed the two collabs and I need to know which teams I should run for PvP, general PvE and the event boss.

If it helps I have the UR equipments of Justia, Rou, Sylvia, Roxy, Alec, Anastasia, Yuri, Angelica, Luvencia, Nartas, Elise, Leclise and
Diana