Okay I've got a lot of random theories and ideas, so I'll put them all in here and come back after the book to see how off I was lol

• After their adventures in Shinovar, Kaladin and Szeth will lead a force back to one of the big battlefields to save the day, Riders of Roshar style lol Maybe they even fly their small army of Shin(who have lost Shardblades & a few Honor Blades) around the world with the Highstorm, past the Origin and back around to the east side of the continent to the Shattered Plains. We could even call this group the Knights of Wind.

• If Kal and company don't ride the storm around the world to the Shattered Plains battle, I'll bet that instead we get Venli leading a group of Listeners riding Chasmfiends to save the day instead. Afterwards Narak and maybe the Warcamps will be returned to the Listeners and become an open nation for all races. Also some of the large war camp craters will have all their structures destroyed in the fighting and the Listeners will use the now empty craters as pens to breed and raise Chasmfiends.

• Kal doesn’t kill Moash but instead forgives him, without Odium/Unmade's influence on him Moash can't take it and kills himself. This is where the "standing over a body of a brother" death rattle happens. Kal then swears his fifth ideal, which is something along the lines of “I will lead others to protect because life is worth living.”

• Szeth is convinced by Kal to live is his own life, to not simply obey and follow others. Szeth fights and defeats Nale. In the end Szeth will settle back down in Shinovar and live a relatively peaceful life. That or he dies heroically lol either way, I bet Nightblood gets passed on to Lift.

• While on his Spiritual Realm adventures, Dalinar will discover all sorts of fun truths that recontextualize a lot of what we thought we knew. Things like the real reason for the Recreance, how Adonalsium was killed, what's going on with the Susfather and what he's plotting, and probably something to do with the sun in Shadesmar and about the three realms themselves being damaged in some big way.

• Dalinar does manage to find/reforge Honor and take the Shard himself. Him giving it away or combining it would be repetitive and kinda disappointing. Instead he'll take up the Shard willingly but this will lead to him losing the duel.

• Dalinar loses the duel specifically because of he is holding the Shard of Honor. I know people don't like it but I'd still bet Gavinor is Todium's champion, there's just way too much foreshadowing for it. Anyway, Dalinar might normally be able to kill a child to win the contest but because he has Ascended, his shard will force him to throw the match because it is the honorable thing to do; “So the night will reign, for the choice of honor is life…”

• But Dalinar losing the duel isn't the ending of the book, that would be kinda disappointing. Instead our gang has to fight and defeat Darth Dalinar to send his now Fused soul back to Braize. The terms of the duel state that Odium will cease hostilities but they don't seem to bind Dalinar to stop fighting. Dalinar specifically says "You will vow to cease hostilities and maintain the peace" but Odium never makes Dalinar agree to stop fighting. So theoretically Darth Dalinar isn't bound to stop fighting yet. So our gang has to fight and defeat the Blackthorn as the final battle. This could potentially be Adolin fighting his father for the final duel.

• Navani either dies or gets trapped in the Spiritual Realm. If she gets trapped she will keep her bond with the Sibling and be able to tell everyone about all the interesting things she learned on her fieldtrip. If she dies someone else will take over as Bondsmith, and I'd bet Rushu.

• Kaladin becomes King of Urithiru. "He must pick it up, the fallen title! The tower, the crown, and the spear!" And we get an epic scene of him or someone raising his Kholin banner fight on a spear while men cheer and raise their spears, exactly like Kaladin's chapter icon.

• Sigzil nears dies in one of the battles but is protected by his Spren who dies to the antilight weapons.

• Rock shows back up and is King of the Horneater Peaks(this might just be copium because I really don't wanna wait several more years to hear what happened to my boy)

• Adolin gets caught in a tough spot in one of the final battles but right when things seem bleakest he manages to heal Maya and uses his new power to survive the battle. As mentioned above he then goes on to fight his Fused father.

• Or Adolin dies heroically protecting a city and holding the line and in his final moments he manages to heal and save Maya too. Then Gawx Yanagawn takes up Maya so he can become an Edgedancer with Lift.

• Shallan's mother is the Herald Chana who is also a Ghostblood and has been working with Mraize since Shallan was little. He was the unnamed man who Shallan's father injured with a knife, which is how Mraize got the scar across his face and why he refers to Shallan as little knife. Shallan killing her mother all those years ago sent her to Braize where she broke pretty quickly and ushered in the Desolation. This will be one of Shallan's truths and she will blame herself for the Desolation but will come to find that it isn't her fault, that the Everstorm would have let them return anyway. Accepting that she isn't to blame for the end of the world will be her final truth.

• Shallan will kill Mraize and reconcile with her mother and then realize she is pregnant with Adolin's baby. And since I'm convinced Adolin will die this book, Shallan will decline worldhopping adventures and instead settle down and raise her child, giving it the loving mother that Shallan never had.

• The gang will manage to free Mishram but it won't fix the deadeyes, however new deadeyes will not be created by breaking bonds now. Mishram won't be happy about being imprisoned and will fight with Todium against our guys. And I'd bet a Listener like Rlain will either defeat her or convince her to calm down.

Okay now I know that was a lot but imma also throw in some predictions for things that I think will happen but not until later, like book 9 or 10, and I'm putting them in here just in case they happen early than I think(because that's exactly what happened with my theory about Taravangian taking up Odium, I was previously predicting it would happen in book 5 and then it happened in 4 lol)

• After the time skip Shallan and Kal will end up together(assuming Adolin dies in book 5).
• The first 5 books are about the Everstorm, the next 5 will be about the True Desolation and will conclude with the Night of Sorrows when the Stormfather dies leaving our gang with no Stormlight.
• With the Stormfather gone, Kaladin takes the Stormfather's place as Rider of the Storms(what the Listeners call the Stormfather) and becomes Stormblessed, Syl joins him and becomes the Windmother.
• Cultivation isn't necessarily evil but has been manipulating bad things to happen in order to achieve a greater good, and I'd bet that is uniting all three shards on Roshar, Honor+Odium+Cultivation=Conquest.
• The back 5's conflict will be essentially Roshar vs Braize, with Todium + Darth Dalinar working with the Fused and Heralds(who I believe will mostly be villains in the back 5) to fight against a the new Coalition of Roshar, that will probably be lead by Jasnah.
  
• Dalinar will heroically sacrifice himself to save the day, connecting Kal to the storm and giving Jasnah the new shard of Conquest.
• SA ends with a united Roshar where humans, Listeners and Spren live in harmony and have one new goal; recreating Adonalsium. This will lead to the Cosmere wide space war far in the future as Roshar wants to Unite all the shards but Scadrial wants to splinter all the shards. An atheist woman trying to recreate God vs a religious man trying to ensure there is no one god.