Master Keymaker Keyro is an NPC.
Location(s)
Zaid D4 and Unison Square near entrance of Unison Market
Description
Selling keys to open a specific chest
Choose option Talk to be able to exchange Golden Chest Trade Coupon (only in Zaid):
1 Golden Chest Trade Coupon for 1 Shiltz Bank Membership Card
3 Golden Chest Trade Coupon for 1 Golden Chest Key