Cultivation System In Modern City

Steven is an average Joe until he stumbled upon a blue shining rock. He doesn't know that when he touches the blue rock. a sharp pain burrows into Steven's brain until he passes out. The next day that Steven wake up he discovers that the blue shining rock disappear and what appears in front of him was a blue text that said "Would you like to open your System?" Warning: I'm not a good English writer so if there any mistake. comment it for me to fix it