The excerpt best justifies the conclusion is Sometimes Enkai is Enkai Narok, the Black God, happy with us and blanketing the sky with dark clouds that pour out rain to nourish the plains.
Plains refers to the flat region of the earth which is suitable to settle down and to do agriculture.
"Enkai is Enkai Narok, the Black God, joyful with us and covering the sky with dark clouds that pour out rain to hydrate the plains," is the excerpt that most supports the conclusion.
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