A giant ecological dome regulates climate by algorithm. Verdantmere is the league's granary and medical vault—most bio-mod tech and regenerative prosthetics are developed here. It feeds nearly half the other six cities; food pricing is a quiet political weapon.

Its visual core is mortise-tenon automaton craft: wooden mechanics where teeth, axles, latches, and locks replace welds and screws. Every mecha is assembled from hundreds of parts, each with one correct position toleranced to a hair's width.