MU Legend - Next Closed Beta Date to Be Announced Soon
As G-STAR 2016 approaches, Webzen engages the MU Legend fans with a short teaser trailer, promising that it will reveal more during the upcoming convention in South Korea later this month. At the MU Legend official site it states that "Next beta coming soon. Stay tuned for updates!" So the CBT2 schedule will probably be announced during G-STAR 2016.
Source: official site