Delicate web-like designs are carved into the wood of this twisted staff, which is often topped with the carved likeness of a spider. The staff has 10 charges for the following properties. It regains 1d6 + 4 expended charges daily at dawn. If you expend the last charge, roll a d20. On a 1, a swarm of spiders appears and consumes the staff then vanishes. Spells. While holding the staff, you can use an action to expend 1 or more of its charges to cast one of the following spells from it, using your spell save DC: giant insect (4 charges), spider climb (2 charges), or web (2 charges). Spider Swarm. While holding the staff, you can use an action and expend 1 charge to cause a swarm of spiders to appear in a space that you can see within 60 feet of you. The swarm is friendly to you and your companions but otherwise acts on its own. The swarm of spiders remains for 1 minute, until you dismiss it as an action, or until you move more than 100 feet away from it.