What's the difference between ivl and abyss?

Abyss is the biggest and highest standard event of the fifth personality. It is an international competition, which is divided into several divisions, and each division selects several teams to play a lose-lose game under the online division.

Ivl is a league of ten professional clubs in the Fifth Personality Continental Division, which is held twice a year, in summer and autumn respectively. Ivl regular season part adopts bo3 round robin. The top four teams in the regular season entered the playoffs as winners, and five or six teams entered the playoffs as losers. In the playoffs, the bo5 system was adopted, and the champion was finally decided.

Every year, the winner of the ivl Autumn Tournament and the top two teams are eligible to walk the abyss.