The Myth of the Chalice of Everlasting Life

Some believe that there was once a man who found a chalice of everlasting life. It is believed that the chalice was a small hollow seashell with a gold base and a gold vessel on top. It's said that the chalice mixes the right ingredients together to create a magical liquid that grants someone long-lasting or even infinite life. Many believe that the man once used this chalice, and received everlasting life, and then hid the chalice somewhere no one would even find it again, and went into hiding for the rest of his days. No one has ever found the chalice since.
Others believe that because no one has ever seen the man or the chalice since the incident, that the gods brought him up to be a god also, and that they took the chalice with him, and now the man and the chalice are both in a place that no mortal has or will ever see.
No one know where the chalice came from, but some speculate that it originated from mermaids and was a gift to mankind; others believe that it was brought to land by mistake; but no one knows for certain how it was came to be.

Historical Basis

The chalice is a real thing, and there was once someone who used the chalice and believed to have received eternal life before hiding the chalice away forever; however this man mixed the wrong ingredients, and actually poisoned himself, and he died a mere week later. No one has found the chalice since.

Spread

This is a widely told myth within the world of [world name], but those in other parts of the universe are unaware of the legend.

Cultural Reception

Some cultures believe the man in the legend to have gained immortality and then taken up by the gods as one of them, and that the chalice is with them and cannot be acquired by a mortal.