Ghost Scepter

The Ghost Scepter is an Item purchasable from the Cache of Quel-thelan. Restless spirits occupy this magical staff, and can be summoned to help you cross into the ethereal plane for a short time.

Additional Information
Usually a late game item, it protects you from being auto attacked, while also preventing you from attacking, and causes you to take additional magic damage. Useful for support casters who can't take many hits, it can let you get of a few spells and then run while enemies try to hit you. Otherwise, it's a very situational weapon that can be used to build up to the Ethereal Blade.

Ghost Form
Makes your unable to attack or be attacked, but take an extra 40% damage from spells. Ends if you become magic immune, and has no effect if you are already magic immune. Lasts 4 seconds and has a 30 second cooldown. Shares cooldown with Ethereal Blade.