The Trench: Part 4 of 4- written by Geoff Johns. Art and Cover by Ivan Reis and Joe Prado. There are parts of the ocean even Aquaman should not enter. Now Aquaman and Mera must descend into uncharted territory: the smoky black crevice at the bottom of the Atlantic Ocean, home of the cannibalistic creatures known only as the Trench. One last secret behind these loathsome creatures will be revealed as 'The Trench' thunders toward its bloodcurdling conclusion!