The Raiders Dagger are the weapon the Raiders use to fend off and kill intruders.
Left click this item to throw it at mobs to deal 7 hitpoints of damage and poison them for 2 seconds. If you use this item on players, they will only be poisoned without recieving any damadge. This item is, with a range of 32 blocks and no cooldown, an item that can be used fairly quickly while keeping your distance. Luckily you get many from killing the Raiders since this is a one time use Magic Item.
Upon killing either Outpost Raiders or normal Raiders in the Raider Fort they will drop multiple Raiders Daggers.