How do you get the Light's End Icon?
Riot's description in the client reads: “Infinity calls.”
Is the Light's End Icon still available?
Riot does not list the Light's End Icon as a legacy icon.

Light's End Icon is a 2020 League of Legends summoner icon. It first appeared in patch 10.5, released on March 4, 2020. Its icon ID is 4496.
Riot's description in the client reads: “Infinity calls.”
Riot does not list the Light's End Icon as a legacy icon.