Pentakill Icon

Pentakill Icon is a 2014 League of Legends summoner icon from the Pentakill set (1 of 8). It was a mission or event reward. Its icon ID is 666.

How do you get the Pentakill Icon?

It was a mission or event reward. Riot's description in the client reads: “Earned by playing one game with a Pentakill skin equipped, or purchased from the store.”

Is the Pentakill Icon still available?

No. Riot tied the Pentakill Icon to 2014 (mission reward), and it does not normally bring back past event rewards or bundles.