Light fire ink
This alchemically infused ink ensures secret messages destroy themselves after being read. If light strikes the ink after it has dried, chemicals cause it to spontaneously combust within about a minute. The combustion is small—not significant enough to ignite anything but paper. Ink used on other materials such as stone or wood simply vanishes, leaving no trace of the writing. A vial of this ink holds enough to write 10 brief messages of no more than 50 words each.
- Advanced Class Guide
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