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From PathfinderWiki
Nation Thassilon
Region Peridot Isle, Varisia
Size Ruins

Source: The Hook Mountain Massacre, pg(s). 63

Crystilan is one of the most well-known Thassilonian ruins in Varisia. Located on Peridot Isle in the Steaming Sea,[1] it is an entire ancient city perfectly preserved within a crystal dome. The crystal sparkles in the sunlight, making it easily visible for miles.

Scholars have long traveled there to study what can be gleaned of Thassilonian culture and copy the writing found on its many buildings. Efforts to dig through the crystal or magically teleport into the city have been wholly unsuccessful, and excavation has even shown that the crystal dome might, in fact, be a perfect sphere.[2][3][4]


Paizo has set an adventure in the Return of the Runelords Adventure Path, The City Outside of Time, in Crystilan, and published a map of the city in the Return of the Runelords Poster Map Folio.