Ceromancy
Candlemancy (or velomancy) is divination by reading candles: flame, wax drops, smoke, residue, color. Practiced in Mediterranean European folklore (votive candles), Afro-diasporic traditions, Latin American magical-religious context.
Reading
High and stable flame = strong positive energy. Low and trembling = obstacles. Flame that splits = dilemma. Crackling = interference. Black smoke = negative; white smoke = purification.