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Ok, so I was thinking about Soulcasting, and how insanely OP it can get, and the upper limit is only defined by what you can actually Soulcast things into. You would think the limiting factor would be how much Stormlight you have, and your ability to convince an object to change, and those limitations can be fixed easily with Honor’s Perpendicularity. Now, let’s start small, but still somewhat broken: Soulcast air into Osmium, the densest Element on the Periodic Table, perhaps an alloy of Osmium that is denser, if one can be made, or Osmium where all of the atoms have the maximum number of neutrons that are stable, or both. This will cause a large amount of air to be sucked towards it, potentially sucking in foes. Then, you Soulcast the incredibly dense material into Hydrogen, the least dense element on the Periodic Table, causing an extreme amount of pressure, and an explosion, which will probably kill anyone who got sucked in. However, this is pretty tame, compared to what is coming. You could Soulcast some air into pure fluorine, which is the most reactive, corrosive element on the Periodic Table, which would cause pretty much anything to catch fire, and would react to form all kinds of terrible, poisonous chemicals. You would probably want to wear Shardplate, and seal the visor. But why stop there? If possible, you could soulcast an object into oxygen, but instead of O2, you could Soulcast it into single atoms, which should then immediately combine into O2, causeing it to heat to thousands of degrees as it does so. Have fun! Let’s move on to something much more broken, but still kind of tame compared to what’s to come: if you could Soulcast Osmium, because it’s a metal, why not Soulcast air into a large enough quantity of a Radioactive metal,(such as Plutonium) into existence, creating an instant Nuclear explosion. (If you are doing this, I recommend you Elsecall out of there immediately.) However, broken as that is, Soulcasting can still get even more broken. Because there are elements on the Periodic Table that are incredibly unstable, and will decay radioactively within a few minutes, causing a nuclear explosion. However, the highest numbered elements will decay into elements that also decay, which would mean that the leftover elements would continue to explode. (See the Periodic Wall of Elements from What If?) But why limit ourselves to elements on the Periodic Table? We could, instead of creating element 118, create element, say, 800, which would be so much worse for everyone nearby, as it would create a much larger and longer lasting explosion. Did you think we were done? Soulcasting can still get even more broken, but I’m not entirely sure that this would work. In theory, you might be able to Soulcast the entire atmosphere into Neutron Star material, which, if taken out of the crushing gravity of a Neutron Star, would expand into superhot normal matter, releasing more energy than any nuclear weapon, killing anyone that might have survived the removal of the atmosphere. Again, you might want to relocate to the Cognitive Realm as quickly as possible. Even more terrifying, it might also be able to Soulcast the atmosphere into a black hole. (Never mind, the event horizon would be so small that it wouldn’t really do all that much, except for suffocating everyone to make it in the first place) I don’t think even the Breaking Talent could make this more broken. I’m not sure if the Fused have access to Soulcasting, but if they do, I think this means that Odium doesn’t want to make Roshar uninhabitable, like Ashlyn-or worse, depending on which of these he decided to use.