City of Heroes’
alien invaders known as the Rikti
are returning to once again wage war against Paragon City. Paragon Studios has put players on notice that the Rikti will be invading live servers on Friday, August 3rd. The invasion event is scheduled to last until Monday, August 6th, 2012.
So muster your squads of heroes or villains and get ready for a weekend of war.
Source: City of Heroes Rikti Invasion Announcement