How does League of Legends delete announcement information?

League of Legends, a large number of heroes with different styles, a rich and convenient article synthesis system, and the notification information in the game can be closed at the notification authority.

League of Legends is a competitive online game between heroes and MOBA developed by American fist game company. The public beta of the national service was launched on September 22nd, 20 1 1. There are hundreds of individual heroes in the game, and it also has special cultivation systems such as ranking system and rune system.