One thing to remember and I don't know if it counts but in the deleted cave scene in RoTJ. Vader is on his super star destroyer somewhere in the galaxy and he's calling out to Luke. Luke can hear him in the cave.
Again I don't think the delete scenes are considered canon, but Lucas at least was thinking that force ability was possible back then
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Again I don't think the delete scenes are considered canon, but Lucas at least was thinking that force ability was possible back then
Sent from my iPhone using Tapatalk