LCK or League of Legends Champions Korea is the premier league in South Korean League of Legends and this is the first half of the 2018 LCK Season. 

LCK Spring is a 10 team league that is split up into three stages, the promotion tournament where the bottom teams have to defend their spot against the best teams of Challengers Korea Spring followed by the regular season where the 10 teams will try and gain entry to the playoffs.

The  spring season is the season that will determine the team from Korea that is to partake in the 2018 Mid Season Invitational

The League is played offline in Seoul, South Korea, the broadcast is split between OGN and SPOTV and the total prize pool is ₩275,000,000 (KRW).

Tournament Format

Promotion

Double elimination bracket.

First round in both parts of the bracket are Best-of-three.

Winners and Losers finals is Best-of-five.

Two teams qualify for regular season.

Regular Season

Double round robin with Best-of-three matches.

Top five moves on to playoffs.

Bottom two drops to promotion tournament.

Playoffs

King of the Hill gauntlet style bracket where the teams gets seeded in based on their regular season finish.

First match is Best-of-three, all the other matches are Best-of-five.