League of Legends: Nazumah Lore and History Explained

The origin story of League of Legends - The Washington Post

League of Legends: Realms of Runeterra by Riot Games

Runeterra, League of Legends Wiki

Arcane is officially canon, and from now on League of Legends lore is going to stop contradicting itself all over the place, says Riot

Riot Confirms Arcane as League of Legends' Canon Lore

League Of Legends: Inconsistencies In The Lore

All Esports News : Arcane becomes canon in League of Legends as Riot overhauls lore

League of Legends' lore is being updated in Patch 9.3 - Dot Esports

Riot replaces LoL Summoner Names, says they don't “sync with the lore”

League of Legends Will Reboot Story, Ditch Old Lore, in Future Updates - The Escapist