Changes

It's not yet known if they can turn out wraiths indefinitely or have a set number they may generate. Nor is it known if wraiths are worth experience or can drop items when they come from a Ghostly Orb.

See [http://www.diii.net/gallery/showgallery.php?mcats=540&si=ghostly+orb&what=allfields&name=&when=0&whenterm=&condition=and Ghostly Orbs in screenshots and concept art] in the Image Gallery.