Bosses are the stiongest ememies in social empire.To kill them,you got to be very powerful and they will reward you with some units and collectibles if you defeat them.Before killing them,you would have to complete several quest and unlock 4 keys
Giant Yeti
Human Empire
- Stone Golem--------->Reward: Small Stone Golem
Stone Golem
- Giant Yeti-------------->Reward: Powerful Knight
- Rockdriller------------->Reward:Three Powerful archer knights and a rockdriller skull
Rockdriller
Troll Empire
- Stone Golem -------->Reward:unknown