Dirt Rod's Wrath/Atlantic Edge

The Atlantic Edge is a post-Moon Lord sword. When swung, it releases a water slash which inflicts the Bleeding debuff for 5 seconds, when the water slash hits an opponent, it will shoot rain from the sky. This sword can be upgraded to the Eternal Earthblade.

Trivia

 * This is the first elemental sword of the Quaternity Elemental Swords, representing water.