Thulden once lived in a Deep Gnome enclave so far beneath the surface that sound itself became precious—a whispered warning could save a clan, and a careless laugh could summon horrors from the dark. He was a locksmith there, listening to the song of tumblers and springs, until the day a Purple Worm's tunnel collapsed his home in seconds. He clawed through rubble for three days, the silence so absolute he thought he'd gone deaf, until his fingers broke through to open air. The sky above was the most terrifying thing he'd ever seen—endless, empty, a void that swallowed sound instead of reflecting it back.
On the surface, Thulden discovered glass. In the Underdark, glass was a fairy tale, a material too fragile to exist. But here, in the light, he found he could trap fire inside it, freeze motion, capture the exact color of dawn. He became obsessed. He learned glassblowing from a half-elf artisan in exchange for teaching her how to pick any lock in the city, though he never understood why she wanted to break things instead of listen to them. When she died, she left him her shop—and he immediately moved everything into the basement, bricked up half the windows, and lined the walls with moss from the one trip he's made back below since his escape.
Now he creates glass sculptures of impossible delicacy and mechanical creatures that tick with the rhythm of a heartbeat. Thieves' Guild members come to him for custom tools; nobles commission music boxes that play only in absolute silence. He speaks perhaps a dozen words a day. His 'Mage Hand' isn't just a spell—it's an extension of his listening, a way to touch the world without disturbing it. When he works, the spectral hand moves with the certainty of something that has heard the object's true name.