Cosmic Blade Icon

Cosmic Blade Icon is a 2017 League of Legends summoner icon from the Cosmic set (1 of 10). It was a mission or event reward. Its icon ID is 1635.

How do you get the Cosmic Blade Icon?

It was a mission or event reward. Riot's description in the client reads: “Earned by purchasing the Cosmic Blade bundle in the store.”

Is the Cosmic Blade Icon still available?

No. Riot tied the Cosmic Blade Icon to 2017 (mission reward), and it does not normally bring back past event rewards or bundles.