Hibil's contest with darkness has its prototype in Marduk's battle with chaos, the dragon Tiamat, which (another striking parallel) partially swallows Marduk, just as is related of Hibil and the Manichaean primal man.
And we must affirm that the technical term re' horn (rendered in the English Bible the deep ), which evidently signifies the enveloping primeval flood, and which closely resembles Tiamat, the name given to the dragon or serpent in the epic (cf.
Tiamat הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד