Halisstra

I know it's not a lot to go off but I feel that Brother Benneh might be a knadra. Between Baldness (I know it's usual for ardents but that just makes it easier for a kandra to hide among them) and the sagging skin. Maybe they are used to Scadrians and people from Roshar are a little different so the imitation is not perfect?

I have a feeling that this might be at least part of the answer of what happened to missing shardblades. The way Navani described them sounded kind of like dead eyes to me. I see two options here: 1) Some of the radiant Spren when their Radiants abandoned their oaths turned to Fabrials and not shardblades. 2) Someone at some point figured how to turn dead shardblades into Fabrials. There is of course an option of making these fabrials using proto Radiants and traping the spren but that doesen't seem like it's the way really.

Okay, I have a stormlight/warbreaker question. When Siri teaches Suseborn how to read she starts with letter shash is ot in any way related to the shash brand that Kaladin has?

I have a Stormlight related question: - Did Gavilar experience the visions from the Allmighty (like Dalinar) before his death?