National ESL Pro Series Season 4 will feature 8 of North America's best teams battling in a seven week season plus playoffs. The 8 teams will be invited on different basis, which include Season 2 performance, Intel Extreme Masters, and Go4LoL participation.
Casted by Legend Commentaries and Laowin
8 invited teams
Matches held weekly Round Robin Format
Each team could ban 5 champions
Top four teams advances to the playoffs
15,000 US Dollars is spread among the teams as follows