pyromancy

As a noun pyromancy

is divination by fire; the use of fire to supernaturally gain information.

As a symbol top is

tongan.

As nouns the difference between pyromancy and gyromancy

is that pyromancy is divination by fire; the use of fire to supernaturally gain information while gyromancy is divination]] where people walk on a circle of letters until dizzy, the letters they fall on are significant similar to [[whirling dervishes|dervishing.