Angry Birds Star Wars Path of the Jedi Level J-2 Walkthrough
One strategy for Angry Birds Star Wars Path of the Jedi level J-2 is to fling Luke up towards to the left edge of where the left vine connects to the stationary rock. Once up there use the lightsaber to sever the vine, which should destabilize the metal block in the middle tower. If it falls it should take down everything and finish off the level.
