The Battle of the Seal in Legend of Tianlong

Among countless parallel universes, there is a universe where all gods live. There is a Milky Way in this universe. There is a small galaxy in the center of this system where nine gods live. Life here is comfortable, there is no war, and the average life span is as high as 2,000! But the darkness is coming, and this patron saint appears one by one. The head of the Nine Gods sacrifices his life in exchange for a moment of peace. (Super concise introduction)