(another one revamped) Literally a FIRE fly

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The Spark Flies are best described as mythical living fire, living among Thermo Pines in swarms. They are fairly small, but as hot as candle fire.

The Spark Flies exists in 2 behaviors: They either flies around aimlessly, around the meadow or in the cave; Or they swarms around a Thermo Pine. For the latter case, they would become agitated and swarms anyone or anything too close for comfort. Fire extinguisher can temporary repels them.

They can be collected into Ultra Heat Shield Jars, to either safely harvest Thermo Pine samples, or uses as improvised lamp.

Assessment: If wandering, harmless; If swarming trees, avoid.