Tang Dynasty: People Slaughtered the Prince and Killed Brothers in the Beginning

What should I do if I travel through time and become a wise king, Li Ke, if I don't want to live a short life? Of course, plan ahead and change your fate against the odds! However, Li Ke was only seven years old at this time, was not fully prepared, and was not very sure of the action. Just then—— "Ding!" "It has been detected that the murderous intention in the host's heart is boiling, and the most powerful human-killing system has been bound -" "Now I am issuing a mission, asking the host to sneak into Prince Qin's Mansion during the Xuanwu Gate Incident and kill several brothers. After the mission is successful, you will receive 5,000 points!" ··· Li Ke was stunned. Do you want me to kill his own brother? System··· That's going to cost more! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.