Before the Game update 4/9 the auraxium infuse plating armor on NC classes looks really good (in my opinion) like this : (The grafics are in low and the settings were the same in the four pictures) After the patch I noticed that was significal change in the bright of the color (look at the HA armour) : Did you noticed the changes ?
I think the new version looks much, much better, personally. Potato graphics screw up the Auraxium shader, though. Try it on medium or high graphics settings to see it as it was intended to look.
