Thank you very very much for your response I appreciate it! And thank you for all your points, I think you're probably right!
I didn't think a dead blade, even if bonded to the radiant still, would be able to open an oathgate, but I see your point.
That's interesting!
I actually forgot about this detail, thank you! But also, couldn't she have theoretically lightweaved to cover this up? That's very much a stretch and I doubt that's the case. Also, would she have commented on Kaladin's eyes changing?
I was a littel confused about the timeline honestly, I didn't know if Szeth became truthless before or after Shallan's mother's death.
Thank you so so much for responding, I really appreciate it. I used to be too scared to post here because what if I was wrong, but after entering college I kinda realized that someone offering insight when I'm wrong just helps me get a better understanding.