Munition Chest Key is a miscellaneous Story Item in Act Three.
This hefty key is etched with Flaming Fist markings.
Properties
Miscellaneous Items
Rarity: Story Item
Weight: 0.01 kg / 0.02 lb
Price: 1 gp 
UID
S_WYR_BigBarn_FistsWeaponChest_KeyUUID
ad61e4e4-f4af-4d8e-87d3-37dd310a5c3f