League of Legends was a multiplayer online combat game developed by Riot Games and officially released on October 27, 2009. In the game, players could choose different heroes to form two teams to fight. The game mechanics and gameplay of League of Legends were very interesting and loved by players all over the world. The background story of League of Legends was very complicated and involved many different factors. Here are some factors that might help explain why League of Legends exists: 1. Historical factors: The origins of League of Legends can be traced back to 2003, when Riot Games developed a multiplayer online combat game called League of Legends. The game experienced a lot of fluctuations in popularity and eventually became one of the most popular games in the world in 2009. With the popularity of the game, people began to discuss how to make more games, and so League of Legends came into being. 2. Competition factor: League of Legends is a competitive game. Its popularity depends on the number of players and the participation of the game. Therefore, Riot Games had been constantly improving the balance of the game to ensure fairness and enjoyment. 3. Social factors: League of Legends is a social game where players can make new friends and form a team to participate in the game. In the game, players could interact with other players to share their experience and strategies to build a deep friendship. 4. Cultural factors: The world view and character design of League of Legends are influenced by many cultural factors around the world. For example, some of the characters in the game came from all over the world and represented different cultures and traditions. In addition, the game's theme and storyline also reflected Riot Games 'emphasis on gaming culture. The background story of League of Legends was very complicated and involved many different factors. From the perspective of history, competition, social interaction, and culture, there were many reasons for the existence of League of Legends. These reasons had jointly promoted the popularity and popularity of the game on a global scale.