I check it out. But isn't this an old story? "After Enkidu dies of a disease sent as punishment from the gods, Gilgamesh becomes afraid of his death and visits

I check it out. But isn't this an old story? "After Enkidu dies of a disease sent as punishment from the gods, Gilgamesh becomes afraid of his death and visits the sage Utnapishtim, the survivor of the Great Flood, hoping to find immortality. Gilgamesh repeatedly fails the trials set before him and returns home to Uruk, realizing that immortality is beyond his reach."