Nekorunerk said she couldn't make the 100-slot cube even with the Acheron Drake Crystals and Lucid Earth Crystals. She wanted to ask for help from Garkbinerk of the Black Cloud Merchants, who gave her the design in the first place. She asked you to go instead of her. You met Garkbinerk in Reshanta, and asked about the hidden hinges, but you couldn't get any useful information.