This is my first post on this forum. So, I'd like to start out by saying "Hi" to everyone here.
Now: Theory time
Warning: I don't have any support for this. It is pure, 100%, unsweatened, no preservatives added, speculation.
I am personally(like a number of other people aparently) a supporter of the Stormfather/Nightwatcher/Coolfish(not going to spell it out 'cause I don't feel like scrolling up and don't have my book within easy reach) idea. Earlier there was a comment about Coolfish being like an echo and broken after the Recrience. This got me thinking, and well: What if Coolfish is in the non-shardblade godspren version of "screaming spren death" - like the vast majority of shardblades(Sylphrena and Pattern excluded), but as a godspren/superspren/Bondsmith spren?
This of course leads to another, slightly more disturbing and worrying question: If such a state is possible, why did the Knights Radiant leave their spren in the form of shardblades? Why did they give mankind - who from what we've seen, clearly wasn't ready for such a thing - weapons on the scale of shardblades? True, shardblades aren't nukes, but still... Why?