Today’s update Sakurai revealed more information on Rosalina and Luma. In the screenshot Sakurai has shown the difference between the pairs strong Up attack – Luma performs an uppercut while Rosalina produces a Saturnian ring.
Sakurai on miiverse:
Pic of the day. Rosalina and Luma’s attacks are very different. This screencap shows Rosalina producing a Saturnian ring for her strong up attack.