The Mariana is a craftable Hardmode broadsword that autoswings. When killing an enemy, the enemy explodes into four or five bubble projectiles that travel for a long distance. These bubbles can bounce off of tiles infinitely as well as pierce twice, popping on the third enemy hit or after roughly two seconds have passed.
Its best modifier is Legendary.
- The sword's name is a reference to the Mariana Trench, the deepest known part of the world's oceans.
- Prior to the introduction of the Aquatic Dissolution, the Mariana was used to craft the Terratomere. When its successor was added to the mod, the sword was replaced with Floodtide.