Klock

Klock (キアリー, Kiarī) is the clock like-living creature and most only rare species in Machine Castle. Unlike other creatures, Klock connects the other Klocks then whenever it places and evolves into new form and has a core on it.

Species of Klock
Klock are unknown creature because its rare and hard to find in Machine Castle. Whenever other Klocks are connect, they evolve into one new form and has a core on its main body.