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Opening conditions: after the player reaches level 20, he can start the anti-violence task. Each player can take part in 20 anti-violence missions every day, 10 is a round. The higher the number of rounds, the more rewards he gets. For example, in the first round, the second elimination of violence is more than the first experience, and so on, the tenth elimination of violence has the most experience, and then the next round is counted. Opening conditions: after the player reaches level 20, he can start the anti-violence task. Each player can take part in 20 anti-violence missions every day, 10 is a round. The higher the number of rounds, the more rewards he gets. For example, in the first round, the second elimination of violence is more than the first experience, and so on, the tenth elimination of violence has the most experience, and then the next round is counted.