Fantasy: Give a chance, double the reward!

[Three emperors in one family✚Emperor with heavy pupils✚Single heroine✚Supreme bone✚Critical strike by chance]
Jiang Chen woke up from a coma, and found that he had traveled to a fantasy world and awakened the chance critical strike system.
As long as you give your chance to others, you can randomly get double rewards from the system.
"You gifted a hundred-year-old elixir, triggering a ten-fold crit reward, and obtained: a thousand-year-old elixir."
"You gifted a mysterious-level exercise, triggering a hundred times the reward, and getting: a copy of the heavenly-level exercise."
"You gifted a drop of the blood of the divine python, triggering a thousand times reward, and getting: a True Dragon Pill."
Xuanqingzong's junior brothers: senior brother, you have given enough opportunities, don't give them away,
Alias ​​"Three emperors of one family, I, the beginning of the game is bound to the emperor's double pupils"
…… ...