Mixed (Tier 1 to 4); the manuscript tradition across its four version families, the twelve-tablet Standard Babylonian sequence, Tablet XI's flood narrative and its point-by-point comparison with Genesis and Atra-Hasis, the serpent's theft of the plant of youth, Rassam's 1853 discovery of the library of Ashurbanipal at Nineveh, George Smith's 1872 reading of the Flood Tablet, the 2011 Sulaymaniyah tablet that added twenty lines to Tablet V, and the Sumerian King List's 126-year reign beside the excavated walls of Uruk at Tier 1; Sin-leqi-unninni's authorship of the Standard version, Enkidu's nature-to-culture arc and its named interpretive frameworks, Siduri's carpe diem counsel, the real cedar economy behind the Humbaba episode, and the epic's mortality theme as literature's first extended meditation on death at Tier 2; the historical-flood proposals behind the tradition, Tablet XII's underworld report, the two-thirds-god formula, the antediluvian-kings-as-memory reading and the archaeoastronomical encodings at Tier 3; ancient-astronaut and Nephilim-hybrid readings of Gilgamesh, the plant of youth as a pharmacological substance or alien technology, and the claim that Gilgamesh's tomb was found in Iraq in 2003 at Tier 4
The Epic of Gilgamesh: The Oldest Story Ever Written
A god warns one man to build a boat, birds are sent out, a serpent steals immortality. The tablets left the ground in 1853 and stayed unreadable until 1872, and every claim about them gets a tier.