In A Memory of Light, two new factions are introduced:
The Red Aiel and the Sharans.
Are they from Robert Jordan's notes or are they both a Sanderson invention? IIRC, the second faction above are also mentioned in Towers of Midnight?
In A Memory of Light, two new factions are introduced:
The Red Aiel and the Sharans.
Are they from Robert Jordan's notes or are they both a Sanderson invention? IIRC, the second faction above are also mentioned in Towers of Midnight?
For your first group,
Shara is mentioned as far back as The Great Hunt, so they certainly weren't a Sanderson invention.
For your second group,
The Red Aiel weren't directly mentioned, however we knew that the Aiel sent their male channelers to Shayol Ghul. It doesn't take a huge leap to combine that with the knowledge of the 13x13 trick. In addition, Jordan spoke near his death saying "There's a [blank] in the Blight", it is presumable (although unconfirmed) that the blank referred to the town/society that we saw, which heavily revolved around the Red Aiel.
So no, neither of them were a Sanderson invention.