An incendiary cloud spell creates a cloud of roiling smoke shot through with white-hot embers. The smoke obscures all sight as a fog cloud does.
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Conjuration (Creation) [Fire]
Level Fire 8, Sorcerer/Wizard 8
Components V, S
Casting Time 1 standard action
Range Medium (100 ft. + 10 ft./level)
Effect Cloud spreads in 20-ft. radius, 20 ft. high
Duration 1 round/level
Saving Throw Reflex half; see text
Spell Resistance No
In addition, the white-hot embers within the cloud deal 4d6 points of fire damage to everything within the cloud on your turn each round. All targets can make Reflex saves each round to take half damage.
As with a cloudkill spell, the smoke moves away from you at 10 feet per round. Figure out the smoke’s new spread each round based on its new point of origin, which is 10 feet farther away from where you were when you cast the spell. By concentrating, you can make the cloud (actually its point of origin) move as much as 60 feet each round. Any portion of the cloud that would extend beyond your maximum range dissipates harmlessly, reducing the remainder’s spread thereafter.
As with fog cloud, wind disperses the smoke, and the spell can’t be cast underwater.