Rubi

 is a unique pistol that is given to the Vault Hunters by Mad Moxxi if they choose to give her the Hodunk alcohol rather then to Mordecai in the quest Rakkaholics Anonymous.

Special Weapon effects

 * High Elemental Effect Chance
 * Consumes 2 ammo per shot
 * Deals bonus elemental damage
 * Highly effective vs Armor
 * Deals Corrosive Damage
 * Corrosive Dmg/Sec: 97.9
 * Chance to corrode: 17.9%

Trivia

 * Moxxi had originally lost Rubi sometime after the events of the Underdome; but Mordecai found and returned the gun.