User blog comment:BFBooster/Still a noob/@comment-27360323-20151225122943/@comment-27360323-20151225123522

as for your units for who to evolve(from the top priority), it's Shera > Aurelia > Semira > Griff

excuse me but who is that Ark? There's no unit named Ark 5*...

And I don't think you need to throw any units you have, they're all good