The Grand Evil was sealed in a cave behind an energized shield. But now, thousand years have passed and he is about to regain his former power to break away free from the shield. In order to prevent this disaster, the Elders of Fantasia have to take measure to keep the radioactive power in the shield. They send out nymph warriors to find and fetch Ki-fighter cocoons hidden somewhere in the word. During the mission, the nymphs come across with TaeRang, the Ki-Fighter, our heroic kid. He turns out to be the one who has a power to defeat of the Grand Evil, TaeRang sets on his way to find other weak creatures and their villages that are endangered by the unjust evil power. TaeRang is the one wise and brave kid to set it all to justice.

Source: ANN

Note: This is a Korean anime.