drax drove the scorpion car downward and around the citadel spiraling with it as its debris came crumbling downward into the valley below and as the car approached the ground with the falling structure , the residual bolt of energy flung itself rapidly away from the falling remains of the citadel as tina notices it is about to strike them and she turns the time stone and opens the vortex , the bolt passes through to another side and the vortex fades .