Is Galeforce actually good? I see people really excited about it on Lyn and Cordelia but if I'm understanding right (I don't have a hero with it) to actually use it you have to attack one enemy (2-3 ticks), get attacked (2-3 ticks) and attack something again. If you get hit once by a bow or mage instead of getting attacked in melee then it doesn't work - you'll still need a tick. Then you get a free action. I've been using Lucina and this is a pretty rare situation. These characters aren't tanks, and if you're attacking the things they should be attacking they're probably killing something every time. After Lucina's attacked twice and been attacked once, either she's dead or the battle's almost over.
Maybe with Cordelia you can pull it off a bit faster. I don't have a character with a Brave weapon but if you're fast enough do you get 4 attacks? If she doesn't kill her target until the last attack then this would charge it in 1 round.