A hidden city on the edge of a distant world, called Elvar, is facing a disaster that is swallowing everything by darkness. A young magician named Ryan is chosen by fate to save Elvar because he is the last person who can save the city. And only through the power of the "Broken Key" can the protagonist unlock the seal and summon the power of the guardian. Ryan embarked on a road of fighting against dark creatures. As Ryan continued to fight, he discovered the true source of the dark power. He must find the core of light to completely eliminate the power of darkness, and the "Broken Key" is the only tool leading to the core. Ryan went through many hardships to find the core of light. The city once shrouded in darkness finally regained its former glory. However, the real threat is quietly approaching...