Rey Scares Luke
After glimpses of her lightsaber prowess, the trailer shows Rey practicing her Force powers to move the earth around her. As seen in the previous trailer, she manages to shake some rocks and levitate them off the ground. However, this time we see that behind her she’s actually tearing the ground apart – something that clearly horrifies Luke.
“I’ve seen this raw strength only once before. It didn’t scare me enough then, it does now,” Luke says, before walking away from Rey, potentially abandoning their training. A heartbroken Rey looks on as he leaves her.
As Luke makes his speech, we see flashbacks to the last time he trained a young Jedi – and why he’s so reluctant to do so again. This is, of course, his nephew Ben Solo. The flashback teases how Kylo Ren led his Knights of Ren to Luke’s Jedi Academy and burned it to the ground. We briefly got snippets of this in The Force Awakens, but it looks like we’ll see the whole story in The Last Jedi.
We also see a metal hand break through some rubble. It’s a classic movie villain thing to do, but this is probably actually Luke, explaining how he survived Kylo’s assault on his Academy.