Continuous Variable Heat
(Alteration)(Sun, Weather)
Reversible

Range:  6 yards
Components:  V, S, M
Duration:  Until dispelled
Casting Time:  8
Area of Effect:  20-yard radius sphere
Saving Throw:  Negates

This spell and its reverse, continuous variable chill, cause the affected area to become either warm or cool, the actual temperature defined by the caster, variable within a range of 200°C (352°F) down to -20°C (0°F).
This spell was intended primarily as a heat source, not as an attack, although if used against cold-based creatures, they will take 1d6 damage per round per 50°C greater than 20°C they remain in the area of the spell (20°C: no damage, 70°C: 1d6, 80°C: 2d6, etc.). If the reverse is used against heat-based creatures, they take 1d6 per 20°C below 20°C (20°C: no damage, 0°C: 1d6, -20°C: 2d6). Continuous variable heat and its reverse are very handy for making cooking stoves, heaters, or refrigerators.
The material components required are sulphur and wood for continuous variable heat, and a clear crystal and ice for continuous variable chill.

