Rolling Deep: Expert Challenges Promo Pack

This promo pack is unique from all the other content for Rolling Deep. The challenges inside are for bragging rights only. Experienced players who want to achieve Completionist status will enjoy these strategy-disrupting challenges. But you'll have to complete the achievement envelope to be even be able to unlock the contents of this promo pack. The requirement? Defeat FOUR enraged bosses in one game. How is that even possible? You'll have to roll deep to find out...