She never speaks (to avoid being heard by the dragon). She communicates solely through her incredibly detailed, charcoal-smudged maps that include notes like "Watch out for the loose gold coin—it squeaks."
That sounds like the perfect setup for a with a "high-risk, high-reward" quirk! Here are a few ways to flesh out that character: Sees what the dragon hoards, draws the maps NPC...
This NPC doesn't just sell maps; they sell . They are likely a rogue or a wizard’s apprentice who specialized in Arcane Eye or invisibility just to get a peek at the loot. Character Profiles She never speaks (to avoid being heard by the dragon)
The NPC is actually a transformed dragon or a mimic who lures greedy adventurers into the lair to provide the "hoard" with fresh gear (and the dragon with a snack). Sees what the dragon hoards, draws the maps NPC...