Big boss shield
The big boss shield offers a defense bonus of +50. It can only be equipped by Yangus. The shield can only be traded for from Dodgy Dave and can be sold for 12,000 gold.
The Big Boss Shield can be sold for 16,500 gold but cannot be bought. It is created using the alchemy recipe of Boss shield x 1 + Agate of evolution x 1 + Mighty armlet x 1. It has a defense bonus of +34, a blocking chance of six percent, and a three star rarity. It casts Sap if used in battle as an item. Its in game description is "A shield that casts a sap spell if used as an item in battle."