Here is your revised chapter with only word or spelling mistakes corrected:
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"What—? Since the beginning? I- I can't let you be; I need to silence you. Come here." Rory pulled Kai to the side. After making sure that no one was around, she spoke:
"Tell me, how much do you need to keep what you saw earlier to yourself?" Even though she was still flustered, she was acting like a thug who was threatening someone.
"I wonder, maybe I should just tell others about it." Kai spoke while tapping his cheek.
"Name your price." Rory spoke, her voice serious.
"One million gold coins." Kai answered.
"...I will give you five hundred gold coins." Rory said.
"Deal." Kai nodded. After shaking hands with her, he began to walk away.
"And how do I know that you won't tell others about it behind my back?" Rory questioned as she saw him walking away.
"I swear on your life." Kai glanced back and answered.
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