The Mega Boss Expansions enhance your board game experience. These models are big - the Gaping Dragon is around 12-15cm tall! They also come with additional items to support their gameplay:

A Tileset for the Mega Boss Encounter (vary in quantity dependent on the boss)
Boss Dial for tracking damage
A Unique Mega Boss AI Deck that fully replicates their movements and attacks within the actual game itself
Specific Mega Boss Treasure Cards