DOTA 2 is a multiplayer online battle arena (MOBA) game developed by Valve Corporation and is the canonical sequel to the classic game Defense of the Ancients. Players are divided into two teams of five and face off against each other on a symmetrical map, with the goal of destroying each other's ancient ruins. The game is known for its deep strategy, complex hero skills, and rich item system. With over 100 unique heroes, each with their own story and unique skill set, Dota 2 offers players endless possibilities and strategic options. The game not only supports regular matchmaking, but also has a highly competitive professional league system, including the famous The International, which has attracted the attention of countless players and viewers around the world.