Long ago , humans and other creatures who were called "Demons " lived in peace, each kind in its world until the mass destruction that happened in the demons world which caused the demons civilization to ruin. After a deep thinking of a solution for this calamity, demons lord decided to head to the humans world to make it an alternative world for them, but he know that he should control the power of their seven crystals in order to rule their world. Humans begin to defend their world from the massive armies of demons and After many years of fighting , Humans won the battle and the demons lord was forced to return after his defeat by a legendary warrior called " Leonard". 

Humans realized that their crystals have the massive power so they started to fight each other to decide who will rule the earth As a result of those battle , humans became very weak , So, demons took their chance and began to attack the humans . Many people were killed During the attack and most of lands were destroyed.

Demons have stole 4 of the Legendary crystals ,ice , water , forest and wind crystals were lost.

Although the great defeat by demons , A group of humans decided to unite the humans in order to defeat the demons , They call them Selves ''Earth  Freedom Organization".

This Organization is the only hope for the humans to survive. 

The earth future depends on the  remained three crystals.

After many battles, The great Leonard city and EFO succeeded to defeat demons and demon lord was defeated by another legendary warrior called " Arthur".   

  300years later , there were a group of people who gathered and created their own organization in order to rule the world because they think that they are the only ones who deserve ruling the power of the seven crystals . worse than that , they are trying to summon the demon lord by the help of the few troops of demons and make him their allied , and that is the reason of calling them " the dark fangs " ( DFO) . Immediately , the earth freedom organization begins to fight DFO in many huge battles to spread the peace in the world. 

Finally, The great Leonard city and EFO were succeeded in defeating DFO and the demons forever and the demons lord was defeated by Raven the one who destroyed the demons world and ended the civilization of the demons.

The story didn't end yet because Gilbeirt , the ruler of  EFO city was planning to rule the entire world because both DFO and demons were defeated, so he made all the preparations for the next generations to seize the entire world by using their high technology methods.

After many years of preparation , ALAVIA ( EFO city ) begin to spread it's rule by defeating any who oppose joining it . and sadly, none had the power to stop ALAVIA and it's destructive power. Now ALAVIA almost  take control of the entire world and 5 of the seven legendary crystals, now, it's pressuring Estona ( Leonard city ) in order to get the 2 remained crystals and rule the world.

You will notice that there is an episode which is called " Legend of the seven crystals chronicles " , yes, after finishing the 3^rd, I will begin working on it.

Cheko

Zack

Here are some of the game's main enemies: