These thieves told myths amongst themselves about the bottom of the world, where some discovered elaborate, abandoned catacombs without end. In awed whispers would thieves repeat that greatest wealth hides deepest, for this is what they read down there in cryptic runes. So thither into the world they delved, poking sarcophagi, finding treasures of the past, and witnessing strange, terrible dreams as they would never know in life on the Surface.
When thieves repeat their mantra and imagine jewels, however, they forget that they did not invent the world. They do not know the true cosmology of the Grand Crypt. Only the magick nightmares of ancient warlocks could shape the world with their words. Death gave the ancient magi their power in an age long buried that all life tries to forget. No thief would ever learn or wield this power, yet all who dared to delve deep enough might find what ancient deathwizard lords meant when they spoke of “greatest wealth.”