In the Fifteenth Year of Kunlun, I Have Become Invincible in the World

[No system + Master comes down the mountain + Invincible + Pretend to be a pig and eat the tiger] The person in charge of the global dark web and the self-proclaimed leader of the number one killer organization. That's right! Ye Feng's master is this awesome person! At the age of 3, at the age of struggling, Ye Feng was caught by an old man and sent to Kunlun Mountain to practice. Day after day, year after year, this practice lasted for fifteen years! "Disciple, you have achieved some success in cultivating immortality. It's time to go down the mountain to perform your mission. This is the fund given to you." Ye Feng looked at the huge sum of two hundred and fifty yuan in his hand and fell into deep thought... He vaguely remembers that when he was a child, he spent 50 cents on a candied haws on the roadside...