Fantasy: Give A Chance And Double The Reward!

【Three Emperors of One School✚Emperor with Double Eyes✚Single Heroine✚Supreme Bone✚Critical Strike by Chance】
 
Jiang Chen woke up from his coma and found that he had traveled to a fantasy world and awakened the critical strike system of chance.
 
As long as you give your chance to others, you can randomly get double rewards from the system.
 
"You gifted a century-old elixir, triggering a ten-fold crit reward, and getting: a thousand-year elixir."
 
"You gifted a mysterious-level exercise, triggering a hundred-fold reward, and getting: a copy of the heaven-level exercise."
 
"You gifted a drop of divine python blood, triggering a thousand times reward, and getting: a True Dragon Pill."
 
Xuanqing Sect brothers: Brother, you have given enough opportunities, don't give them away!
 
Jiang Chen: ...