Warm

Area
Raises the ambient air temperature of an area. This could be used to dissipate Fog, for example. The spell cannot raise the temperature above 100°F (37.78°C).

Duration: 1 hour.
Time to cast: 1 minute per base cost application.
Base cost: 1/10 (minimum 1). Each base cost application raises the ambient temperature by 10°F. Same cost to maintain.
Prerequisites: Heat and at least four Air spells.

Item
Staff. Usable only by a mage.
Energy cost to create: 150.