Blood Snow

(Frostburn, DnD 3.5)

Necromancy[Cold]

Level: ; Cleric 2; Druid 2; Sorcerer/Wizard 3; Disciple of Thrym 2
Components: V, S
Casting Time: 1 standard action
Range: Medium (100 ft. + 10 ft./level)
Area: 20-ft. square of snow/level
Duration: 1 round/level
Saving Throw: Fortitude negates
Spell Resistance: Yes

You must cast this spell on a snow field.
You corrupt an area of fallen snow, imbuing it with negative energy.
Each round, a creature in contact with blood snow must succeed on a Fortitude save or take 1d2 points of Constitution drain.
In addition, anyone failing a saving throw is nauseated for the duration of the spell.