[Jotaku]

By Esports Fantasy League, we assume that you look for any esports leagues for fantasy games.

As of April 2021, here is the list of eSports leagues for fantasy games and their competitive levels to win:
League of Legends World Championship (League of Legends) - Competitive level : Hard
Battle.net World Championship Series (Hearth Stone) - Competitive level : Hard
ESL (Paladins) - Competitive level : Maybe Medium
Arena of Valor World Cup (Arena of Valor) - Competitive level : Unknown
COBX Masters (Dota 2) - Competitive level : Unknown
Dew Arena (Dota 2) - Competitive level : Unknown
AEG Pro League (Kurtzpel) - Competitive level : Easy

For more lists, check out Wikipedia.