Quote Originally Posted by WebLurker View Post
Would he have even known how? Rey was using old Jedi texts he didn't have access to.



Why couldn't Ben not interfere with Luke's duel with Vader on Bespin?
Wait Rey summoned them? I thought it was just them showing up. Also I literally asked your second question. Back then I thought it was just that the ghost interact with anything physical. However Yoda clearly proves that wrong.