A mysterious figure who claims to be a "former human" and says he's spent centuries studying the Vertical World's endless central shaft. At some point, he converted his body into a robot to escape aging and death.
Kelvin is defined by his calm, logical approach—even when things get rough. He's the first person Ruska meets when descending into the Vertical World, and quickly becomes an invaluable companion. His robotic body is packed with useful contraptions that help the two navigate the world's many challenges.
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