You can argue this is good or bad, but the bottom line is Ash and Kali being able to crack Mira windows, Mira becomes really weak.
Just about every game has and Ash and she will even be able to crack electrified Mirrors. Unless you have a Jager or Wamai on your team, Mira will be worthless.
give mira a cat ears skin, she’ll go from d tier to s tier