Consuming ash and producing Fire Plorts.
Fire Slimes (and their plorts) splashed with water. They are temporarily safe to touch and their plorts burst on contact with water.
A Fire Slime despawning when in an environment it can't survive in.
There is no limit to how many Fire Slimes you can keep in an Incinerator.
A happy Honey Hunter Largo turning feral when coming into contact with three Fire Slimes.
Spawning from a glass structure without an Anomaly happening.
A Fire Slime rolling over.