Wondrous Item, legendary (requires attunement)
While touching this crystal orb, you can cast Scrying (save DC 17) with it. In addition, you can communicate telepathically with creatures you can see within 30 feet of the spell’s sensor. You can also cast Suggestion (save DC 17) through the sensor on one of those creatures. You don’t need to concentrate on this Suggestion to maintain it during its duration, but it ends if Scrying ends. You can’t cast Suggestion in this way again until the next dawn.
Notes: Control, Communication, Scrying, Detection
Don't forget the attunment.
haha i love thid scrying thing makes me scri everytiem o3o ~<3
"You don't need to concentrate on this suggestion to maintain it during its duration, but it ends if scrying ends."
Does this mean that the Suggestion spell cast through the crystal ball would only effect the target for the duration of the scry (10 minutes), not the full duration of the Suggestion (8 hours)?
That's how I interpret it, but wanted to confirm.
That is correct - so you would need to make a suggestion that could be completed in a very short time. But it could be useful to compel them to walk around to give you a better view of their surroundings, or to look at some important documents, etc...