This is an article I wrote for the Lemba Congo American Society for the Preservation of Palo Mayombe (or simply the Society, as we call it, because that's a whole lot of name) that addresses heating and cooling spirits, and the links of tradition and approach between Hoodoo and Palo Mayombe. There is a way of thinking about reality--and learning to interact with it--that empowers all of the Congo-rooted magical systems currently alive here in the West. Having years of experience as a conjurer in the Hoodoo tradition here in America, and learning from an experienced Tata the methods of Palo Mayombe as an Engueyo, I continually am finding parallels between the two. There are two ideas in particular that stand out that I wanted to discuss. Heating and Cooling Spirits In Hoodoo, we "heat" a spirit to great activity using herbs and roots and powders, and "cool" a spirit using water and herbs and roots as well. The concept of heating and cooling a spirit