http://www.pcgamer.com/dark-souls-annual-return-to-lordran-event-starts-next-week/

Dark Souls is set to host its annual 'Return to Lordran' event next week, with players the world over set to, well, return to Lordran. 

Due to kick off on October 4, From Software's original 2011 (2012 on PC) Dark Souls will be repopulated with summon signs, red phantoms and misleading glowing orange messages. Here's the official skinny: