Starting from Dayu, successive dynasties came to the imperial city one after another. Outside a huge closed city, there were countless small tribes of demons attacking the city. The emperors turned into city defenders to defend the city, and they could also attack other countries' cities.
As time goes by, the difficulty will become higher and higher.
When a certain dynasty comes, the attacking monsters will besiege the city from all directions.
One day is twelve years, and the monarchs of all dynasties have appeared one after another.
A powerful boss appears every 20 waves.
Spend 100 Dragon Coins to purchase Resurrection Coins once.
