The tag implication #63118 arcane_(tv_series) -> league_of_legends has been approved.
Reason: It's a part of the League of Legends franchise and is set in the same universe.
Other LOL spinoffs Legends of Runeterra and Teamfight Tactics already imply the main LOL tag.
https://en.wikipedia.org/wiki/Arcane_(TV_series)
EDIT: The tag implication arcane_(tv_series) -> league_of_legends (forum #405623) has been approved by @scaliespe.
Updated by auto moderator