Here's a bunch of references!
For one, know that Spirit Armor is a melee set, Runic is a Magic one, and Stellar is ranged.
Also, I'd like for them to look similar to their originals.
Runic Armor:
View attachment 115673
And some concept art if you need it:
Spirit Armor:
View attachment 115675
And its concept art:
As for Stellar Armor, here are some tools for reference:
View attachment 115677 View attachment 115678 View attachment 115679
As said before, sheets for the armor isn't required, but appreciated