You're walking around the tower. Picking up bounties, joining dance parties, cursing the cryptarch. When all of a sudden, the sky at the tower turns black. Red dots surround your radar. The speaker's voice can be heard. "Guardians the enemy attacks, defend our last hope, save our city." Fighting off hordes of enemies, coming at you from all directions, jumping from ships down, crawling over the railings trying to steal your light. Bosses and yellow health, panic and disarray surround you and fellow guardians. A public event at the tower. For is it not the last city on Earth? Why can we not defend i?