Candle light wards might also be another thing. I can see Tsava Leko having wards based on candles around their caravan. Though I think his own wards where originally dolls that he used to focus elemental powers into.
Reiki - Símbolos Reiki Sei- He- Ki Amazing Secret Discovered by Middle-Aged Construction Worker Releases Healing Energy Through The Palm of His Hands. Cures Diseases and Ailments Just By Touching Them. And Even Heals People Over Vast Distances.
Our Subtle System - Just like all other systems like digestive, respiratory, circulatory.we all are born with this subtle system as well - which we need to cleanse in order to reach the Supreme Divine Spirit.