King of Defense Battle Frontier - takes place in the Dwart Kingdom, a kingdom of the human world. A few millennia ago, the Kingdom of the Dwarten was one of the greatest kingdoms in all of human civilization. This place is considered to be the center of all human civilization and everyone is very proud of it. Many people come to this place to start the peaceful life that they desire. The residents enjoy a quiet life and work to live in this city. But one day the Nagath rebelled and attacked the Dwarten kingdom to take this place. They use their magical powers to summon the demons from the sleeping area to kill all people in this place.
* The tower stacking and combining feature gives players more options for the best tactic.
* The Heroes and Towers systems are rich and powerful upgrades.
* Diverse terrain such as deserts to jungles and cold lands. Players need good strategies for every type of terrain.
* Variety of monsters from flying monsters to monsters with special abilities.