Who to 5* next?

by Surya17 posted Feb 05, 2018
Hi guys, I need some help deciding who to 5* next... I've saved up enough fodder to make 2 5*. These are the units that I can't decide on 5*ing: t3 levi, t2 gull, t2 bibi, t2 athena, t3 aka... pls help thnx