Founded in 2009, beijing angel interactive technology ltd. Was created by a group of experienced, skilled and ideal young people, with an average of more than four years of research and development experience for all members of the team, most of whom have research and development experience in many successful products; in short, the company has a competitive and creative research and development team and is one of china's powerful web game developers. ... Beijing angel interactive technology ltd. Has always been a market-driven web game based on the principles of effectiveness, security and sustainable development, providing the market with a satisfactory web game. The company has also established a strategic partnership with excellent web-playing platforms by bringing together high-quality resources, platforms, etc., horizontally and vertically, and has achieved strong alliances in the areas of product operation and promotion, contributing to the development of the chinese web-playing industry. The angels interact to develop network games supported by autonomous engines. The powerful technological ability of angels to interact, and the ability to design games with imagination and creativity, combined with unique insights and vast experience of the game market, has enabled companies to quickly launch game products that are popular with a wide range of players to meet changing user needs and market development needs. The black sword is a role-playing game produced by the japanese game manufacturer tato. In addition to the violent action elements, the game incorporates a lot of puzzles. Black sword is not a purely numerical, hand-to-hand system of callers that fills the battle with tactics and gives players a greater sense of competition. In the case of pve, in addition to the simple copying level challenge, new models, such as the boar mountain king, are awaiting challenge. The black sword, which is based not only on dota, but also, to a greater extent, on dota, has achieved a real re-enactment, with the exception of hand exercise, both in terms of image expression and depth of combat. In the field of competition, in particular, the arena system has brought together the two terms of hand games and competition. The black sword is a new interpretation of dota once again leading players to this epic worldview and a new story. Hundreds of well-known hero skill chains are working together, the movie-viewed boss is gaining strength, the six new and fun play systems, whether you're a pusher, a tiller, a black sword! Mystical boundaries are being ravaged by evil spirits, and the warriors' axs are dying, callers, remember our slogans: no brothers, no swords! In exploring the realm of magic, the summoners will encounter a variety of options, only with their own wits, and each choice will affect the next journey! Of course, the reward for exploration is extraordinary. Diamonds, gold coins, props, equipment, treasures, etc., you can't imagine that, in addition to being powerful, luck is an essential element