The strongest hero of humanity, Kim Sung Bin.

He threw everything on the line and fought… but he still couldn’t prevent the destruction of the world.

However, his legend has just begun as he returns 20 years into the past.

“I’ll definitely… kill it this time.”

Now fully equipped with overwhelming power and experience, the hero’s raid isn’t over yet!

He became stronger, faster than anyone else… but he lost. In the end, there was only despair for Kim YuWon.

In his last moments, he was given another chance… Through the sacrifice of his comrade, his fate had not been sealed yet.

Returning back to the past, he attempts to climb the Tower again with his unmatched talent.

To fight the ancient evils that threatens to destroy the Tower.

After losing his wife and daughter in a horrific accident, Yun-Jae finds himself stuck in his routine until he receives a diary from his future self. “I can see… my wife and daughter again?” Through winning the “games” in the “parallel world,” one will receive a “prize,” and using this, he could revive his dead family… but out of all the survivors of this cruel world, Yun-Jae is the only one with the knowledge of the future. Will he be able to turn his greatest wish into reality?