Question about insignia's & Runes

heey euhm I just made a new Dervish character, and I'm playing on adding insignia's and runes to it's armor.
now my plan was to put 2 radiant insignia's (one on it's body and one on it's legs) for a bit more energy.
The rest I wanted to fill with windwalker insignia's.
now that means I would normally put 3 windwalker insignia's on my armor.
The big question is: DO THESE 3 WINDWALKER INSIGNIA'S STACK?

The second question has also to do with stacking (somehow):
If I put one rune of superior scythe mastery on my body, and another rune of superior mysticism on my legs (for example) do they then both work?

Already thanks anyway

You should first know how armor works.

You always get hit on 1 armor piece. The chest has 3/8 chance of being hit, the legs 2/8 and the head, hands and feet each 1/8.

Insignia only apply their armor bonus to the armor piece they are attached to. So if you have windwalker's insignia only on your chest and you have 4 enchantments on you and you are hit by an attack, you have 3/8 chance of countering that with 90 armor (70+5+5+5+5) and 5/8 chance of 70 armor. In your case you put windwalker's insignia on your head, hands and feet, giving you a 3/8 chance of invoking the armor bonus (bonus depending on the amount of enchantments) and a 5/8 chance of regular 70 armor.

Rune stacking involves stacking 2 or more runes of the same type. A superior scythe mastery and a major scythe mastery will still only give +3 scythe mastery. But different types will both work, yes. Superior scythe mastery and superior mysticism will give +3 to both attributes.

I would add that using 2 superior runes on a front-line character isn't advisable in my opinion (the cost is a whopping 150 HP).

I know, the 2 superiors were an example, I'm planning on putting 2 major runes or something, that won't cost that much hp + a rune of superior vigor for sure. Thanks for the explaining about how armor works, it will help me a lot!