Oh, I though someone added on of my other accounts, the name was similar-ish to your name on this website. My other account is called _Absolutely_ with a Veronica or L!Marth.
Back to the question lol, I think Refining Res should be great as then she can support her team even more by ploying foes with 37 Res. Her speed is really high and I don't think you should focus on it anymore.
Pokemon GO
Fire Emblem Heroes
Fate Grand Order
Dragonball Legends
Dragalia Lost
IV Calc
Heroes