Maelstrom

Maelstrom is a powerful level 70 bow, combining the, and  elements. However, it deals no damage; which essentially makes it useless against any mob who resists elements, such as Bob's Reincarnation. It gives significant bonuses to both melee and spell damage, but at the same time, it takes away a significant chunk of your health.

Lore
"Lost by master sailor Carvel in a massive storm, it was carried all the way out to the city of Selchar, where it was found spewing seafoam and lightning bolts."

Trivia

 * Prior to the 1.14 Gavel Update, Maelstrom was the second most powerful bow in the game (succeeding Bob's Mythic Bow).
 * Maelstrom is one of three items which reference Carvel, although he does not appear in-game; the other items are Carvel's Sight and Carvel's Creation.