Can we talk about that final Darth Vader scene in Rogue One?

Spoilers ahead.
Regardless of how he’s marketed, Darth Vader is supposed to be a frightening character. The trouble is, unless you’ve dug deeper into Star Wars lore than the average fan, you’ve probably never seen why Vader is such a heart-stopping terror. Even when he’s Force choking Imperial peons or fighting his son, he’s holding something back. Which is why I’m still trying to pick my jaw off the floor after seeing a truly demonic Vader cut down Rebel figh