No dude , I didn't, I inspired by kuva tileset and kuva attachments and kuva kavat and kurbrow armorvsnd little bit of japan.
I did mirage kuva skin like in December if you check it out. And I was doing ivara way before he posted that stuff. Yes I saw it , but it didnt had any shapes of ivara.

And also artist even didnt realized that it is kuva style until people in comment section pointed it out. If you look at his art you can see his most of work have braid like stuff.

I even have screenshots I think when I was working on it from February.

As you can see that is from August 10. And this from me https://twitter.com/Erneix/status/1095470632911818753?s=19

I worked on this skin for like 7 months , a lot of design went into it . But at the end i selected same helmet as my mirage skin had.

I mean yeah you aren't accusing me of anything but many people saying this . So i thought i might clear it here.