Ouragan

 is a rare level 63 dagger. It is sold by the Galleon's Graveyard Dungeon Merchant found outside Galleon's Graveyard, a dangerous Dungeon in the Ocean, close to Pirate Cove. It gives 2 mana regen and a minor buff to spells, and would thus fit best with someone interested in using spells to destroy their enemies.

Obtaining
Ouragan can be bought from the Galleon's Graveyard Dungeon Merchant for 4 Redbeard's Hair.