Protect the world against the invasion of the Dark Force.
In this part, the war between the Human and the Dark moved to a fierce new phase. In previous parts, humans found a way to stop and defeat The Dark’s attacks. However, the Dark having cunning schemes always changes and develops after each of their failures. Battle in Defense Legend 4 is a maximum challenge for the followers of Defense Legend.
The Dark will send a large and powerful army to attack fully to our strategic bases. They attack from all sides the air, land, and underground… Besides extremely modern weapons, the Dark also uses magic to enhance their strength to destroy Human bases.