This item is a unique weapon, its sprite beeing a fish. Its description is the following: "There's something wrong with this thing..." This weapon is likely to be used in PVP as it does little damage but has greatly increased knockback.
The War Shif's positive attributes are +200% knockback, +450% durability and +1-2 Nature Damage over 6 seconds. It also has negative attributes, them beeing -5 Intelligence and -4 Wisdom and -15% Fire Resist. It does 3-4 melee damage.