Lychnomancy is a form of divination by candle flame or fire.
It is a branch of Pyromancy.
The divinater is concerned with the flames of three candles arranged in a triangle.
A positive answer to the question asked would be indicated by one flame burning higher than the other two.
A wavering flame would indicate a journey.
A spiral flame indicated plots by enemies.
An uneven flame danger.
Sparks would indicate you should be cautious and a sudden extinction indicated bad luck.