Aegis of Athena Reduces damage from enemy attacks by 1 heart (upgrades Poseidon's Shield).Bonus Category: Metals - Increases damage of 'metal' words by 50% (upgrades Hephaestus's Hammer) Hand of Hercules Increases damage of player attacks by 1 heart.Arch of Xyzzy Greatly increases damage done by X, Y and Z letter tiles, makes X, Y and Z count as 3 letters each (up from 2, 1.5 and 2) towards adjusted word length (upgrades Bow of Zyx).