Cone of Cold also leaves behind an icy surface of difficult terrain.
No, I never said it did, but it would flash boil anything nearby.
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The 6th-level spell Freezing Sphere is cold damage that explicitly freezes water into ice.
Inferrably, all lower level spells only great slush − not solid ice − thus difficult terrain that obscures vision.
No, but it would effectively trap whole squads behind a 6" thick wall of ice!
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It takes 4.184 joules to increase the temperagure of 1 gram water by 1 celcius
Say we are in 15 C water. It would take 355.64 joules to increase the water temperature of 1 gram of water to 100 c
But we want the water to *boil*. The heat of vaporisation of water is 2257 joules per gram!
So this gives us a total of 2613 joules per gram of water.
But we have a 40 foot sphere. that is 948 425 582 grams of water, or aprox 950 tons.
This leads us to the astounding figure of 2 478 236 045 386 joules. or, if you perfer, 2.478 TERA joules, which is roughly half a kiloton of TNT
I think we can all agree that fireballs aren't small tactical nukes?
Thank you, Ancalagon. I have been sitting here reading the comments of other very verbal people with zero actual knowledge of physics. The water would absorb the entire effect of the Fireball and perhaps heat up a few degrees. But, seeing as water is denser than wood, as soon as the streak leaves the caster's finger and hits the water, it is just like hitting a wooden door. It goes no further, so warms the water in the area of the caster a few degrees.
Furthermore, humans are less dense than water. If a Fireball would flash boil the water, it would also flash boil all living creatures in the area. Death no save, baby.
If a Fireball would flash boil the water, it would also flash boil all living creatures in the area. Death no save, baby.