Tree of the Abyss

In the center of the world, on a strange island called Cales, sits the world's largest ruins, "Gupido". It is the only place in the world that humans have been unable to conquer even after thousands of years of discovery. It may hide the secrets of the world. The deeper you go, the more dangerous it becomes. The more you gain, the more you lose. Once you come here, no one can resist the temptation of Gubiduo. A slow-paced fantasy adventure story.