Day after day passes very peacefully. Children go to school, and every year, the king organizes many colorful festivals. That is the setting in the game called Defender IV. Suddenly, one day, a strange epidemic appeared, causing the animals outside the city walls to go crazy. The normally gentle animals suddenly go crazy and attack humans. The king immediately orders the construction of trenches, reinforcement of the city gates, and placement of defensive checkpoints at epidemic points.
The Mother Land Kingdom is a peaceful land. There is a harmonious symbiosis between mystical creatures and humans. For a long time, people here have found a way to tame and use those creatures for daily life as well as to protect the kingdom. Unlimited skills on the fierce battlefield. Create comprehensive offensive and defensive combat combinations.
Players will play the role of the bravest warriors of the kingdom. Possessing the power of the elements, combined with a brave army, they put down this rebellion together. Warriors with glorious achievements become legends. Choose the most elite warriors and join the battle with the determination to win.