Yima, according to Yt9.10, made immortality reign on the earth for a thousand years.
Forbidden Voyage: Sauron convinces Ar-Pharazôn to wage war against the Valar by sailing to the Undying Lands (Aman) to gain immortality.
This ascension is described as a profound understanding and mastery over his physical and spiritual form, allowing him to reach a state of immortality.
The Eternal Validity of the Soul: Seth often spoke of the immortality of the soul and its journey through various incarnations.
The Chinese have a tale of Chang'e, a woman who becomes the moon goddess after consuming the Elixir of Immortality.
In the book of Genesis, Adam and Eve were banished from Eden and forbidden to eat from the tree of life, which would give them immortality.
The relationship is continuity of one survivor pattern: divine decision to destroy, a friendly god who warns one man, a craft that carries family and animal seed, a storm, mountain landing, sacrifice, and then either immortality (Mesopotamia) or covenant (Genesis).
In this Sumerian layer the reward is immortality, not a rainbow covenant.
In Epic of Gilgamesh Tablet XI, Gilgamesh meets Utnapishtim the Faraway, who already has the immortality Gilgamesh seeks.
Immortality at the Mouth of the Rivers is the Mesopotamian gift parallel to Noah’s covenant.
Covenant replaces Mesopotamian immortality.
Reward: immortality (Mesopotamia) or covenant (Genesis)
Shared pattern: warning, boat, seed of life, landing, sacrifice, then immortality or covenant.
He builds a ship, rides six days and seven nights of storm, lands on Mount Nimush, releases dove, swallow, and raven, sacrifices, and receives immortality at the Mouth of the Rivers.
Utnapishtim - Human who was granted immortality by the gods and survived the Great Flood
Ziusudra - Human hero who survived the Great Flood and was granted immortality by the gods