Might & Magic: Clash of Heroes- I Am the Boss DLC:
Embody the four powerful bosses - Azexez, Count Carlyle, Ludmilla and Azh-Rafir - in Quick Battle, online or offline Multiplayer modes. Master their four new spells: Azexez's Demon Portal, Ludmilla's Spider Swarm, Count Carlyle's Bile Blast and Azh-Rafir's Palm Blast! This downloadable content includes the free DLC "Advanced Opponents" features.
Might & Magic: Clash of Heroes - Advanced Opponents - Free DLC:
Play against four powerful bosses - Azexez, Count Carlyle, Ludmilla and Azh-Rafir - in Quick Battle and Online Multiplayer modes. You will face their four new spells: Azexez's Demon Portal, Ludmilla's Spider Swarm, Count Carlyle's Bile Blast and Azh-Rafir's Palm Blast!

Additional Information
Requires Might & Magic: Clash of Heroes base game for play and requires Steam account for activation.