Jump up to get to the next level.
Continue on and kill the two Dark Jedi guarding the stairs.
Go up, kill the last Dark Jedi.
Go up to the tomb, turn on Seeing look left, you'll see a stone that's under a sign on the wall, push it and do the same for the opposite wall.
Keep running until you get to the bridge, then ending cutscene.
Gonna get the next level up in a few mins...