Dragon King Eggs were introduced on August 15, 2017 as a Victory Count Reward during the Heroes Colosseo XLIX. Each egg contains a dragon, fated to be a mighty ruler.
Dragon King Eggs can be traded for these cards at the Item Exchange:
- Legendary Dragon Kings (UR) for 30 eggs
- Youthful Dragon Trio (UR) for 100 eggs; needed to evolve (Tier 23) Legendary Dragon Kings up to (Tier 34) Legendary Dragon Kings to the next level
- Ambitious Dragon Trio (UR) for 150 eggs; needed to to evolve (Tier 35) Legendary Dragon Kings up to (Tier 37) Legendary Dragon Kings