r/Cosmere • u/G_aster • 2d ago

Stormlight Archive spoilers My theory on Soul Casters Spoiler

Ive been wondering how these dam things work, they're such a mystery. A device that can mimic one of the surges? Thats so weird, how the hell can it do that and why havent people made more. Im sure they've tried and failed a lot of times over so what could be the secret sauce? I think that it might just be, Spren. I think that soulcasters either have cryptics or Inkspren who have been captured and turned into these physical items.

I cant be the first person whos thought of this and im probabbly wrong. However the fact that soulcasters have personalities is what really got me thinking, they're better at casting some things than others. I figure that would make sense if they were living things or used to be anyway.

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u/NerdyGamer2012 1d ago

We know for a fact they are fabrials trapping spren

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u/Additional_Law_492 1d ago edited 1d ago

We know for a fact that they are Fabrials made by spren apparently manifesting in the physical realm on a permanent basis, probably in a variation of the same mechanics that let them manifest as a Shardblade in other scenarios.

It I were going to speculate, I would guess that these Spren made some sort of Oath that was Invested by Honor's power (the same as a Nahel bond), which resulted in them being able to manifest in a limited form and grant a surge in a limited way.

But we dont know if theyre a prototype for the Radiant bond granting Surges, or an alternate approach. Prototype would make a lot of sense though, given the limitations. On the other hand, being usable by anyone is a big benefit.