Box art - Persona 5

Persona 5 What is The Light Producing Substance In Fireflies?

On July 11th you will be asked, "What is the name of the light-producing substance in fireflies?".

The answer is Luciferin.

Upon submitting the correct answer you will be awarded a point in Knowledge. Note that there are many other ways to earn Knowledge, and we wrote about them in this quick guide.​


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