User blog comment:Darksusanoo/(Champion Rework) Syndra, the Dark Sovereign/@comment-1330314-20150728224700/@comment-1330314-20150728233441

The passive spheres count as Dark Spheres on the field. They are physically present as Dark Spheres and are identical to every other Dark Sphere the moment you use them to ult. That's how they work on live, at least.