This DLC contains the hero attire: Minotaur.

This attire recalls the legend of Asterion the Bull-Headed, a warrior-king from an island in the Sea of Tranquility born three millennia ago. His fearsome temper and habit of charging headlong into seemingly hopeless battles (from which he always emerged victorious, of course) earned him his nickname, which he eventually made a reality by forging a fearsome horned armour with which to terrify his enemies.

Note: This DLC contains a hero attire which only changes the wearer's appearance, not their attributes.
The above DLCs can be claimed by talking to the Town Crier in a capital or the Trade Colonies after purchase.