Suggestions for improvements

https://preview.redd.it/u3pg9zmyzgkg1.png?width=1246&format=png&auto=webp&s=24183183d927f3f1a3afc81cfb2512303ab28269

I've put a good amount of time into getting her disks refined, but outside of improved sub-stats on disk 4, does anyone have some suggestions on improving her build? Am I fine keeping disk 5 as attack % instead of pen ratio, despite having her only at M0?