The mage can increase or decrease the temperature of an area.
Each success either increases or decreases the temperature in a one-yard radius of the targeted spot by up to 10 degrees Fahrenheit. For example, four successes allow the caster to reduce average room temperature of 72 degrees down to freezing (32 degrees).
Mysterium Rote: Subtle Ambience
The Mysterium uses this rote to control the temperature in the libraries and storerooms in which they keep their valuable finds, creating toasty reading rooms or freezing lockers.
