From The Heroes of Might and Magic III wiki

Equipped in the Shield slot, this mighty shield increases your Defense by +12 but also decreases your Attack by -3.

Class: Relic

You cannot purchase relic artifacts in Artifact Merchants. Cost is derived from sell price.

Basic Cost: 50000 gold

Forms the Titan's Thunder together with the Titan's Cuirass, the Titan's Gladius and the Thunder Helmet.