Yeah, it makes sense now that I think about it. Still, like @Sunwoo said, it feels really cheap. They'd make a fantastic Duo unit, but like...
This kinda makes me want a Marth-Chrom Harmonic unit, though. (or a Marth-Masked Marth for the spiderman meme, but she's already taken)
I didn't really like her my first playthrough, but I'm warming up to her now. (wait, pun not intended, I'm so sorry)
Bernie is actually super good though, now that I realize it. Her prf is amazing for anyone who wants to be under 100% HP, and IS has been blessing us with great tome cavs ever since this summer. Definitely gonna consider grabbing her for a cav line.