What does League of Legends koi fish mean?

League of Legends koi fish is a title or title in the game. Koi fish actually represents the PVP strength and level of players. The higher the winning percentage, the higher the ranking, and the higher the corresponding koi fish, which is an important symbol and proof of player ranking improvement. Many players will take getting a more advanced koi fish as one of their goals. In addition to the strength of PVP, koi fish itself has a certain symbolic significance. Koi fish is a beautiful and mysterious fish, symbolizing good luck and progress. So koi fish also represents the players' good luck and progress in the arena.