Beyond the Wall, the White Walker army arrives at Eastwatch, along with the Night King riding on his dragon who demolishes a segment of the Wall, allowing the dead to pass into the Seven Kingdoms.
The White Walker army arrives at Eastwatch with the Night King. This is beyond the Wall. This is along. This Night King is riding on his dragon. This dragon demolishes a segment of the Wall. This dragon is allowing the dead to pass into the Seven Kingdoms.