Three Kingdoms: From the Start, Signing In and Slaying Cao Cao

On the eve of the Battle of Red Cliffs, at Changban Slope in Dangyang. Ten years ago, Gu Shen transmigrated to the Three Kingdoms period, but the System would only fully awaken after he had completed ten years of sign-ins, and all the rewards would be issued at once. So Gu Shen had no choice but to keep his head down and build up his strength. Before he knew it, he had followed Liu Bei for ten years. At the life-or-death moment on Changban Slope, Gu Shen finally completed his ten years of sign-ins. He decided to stop hiding his strength and summon all the elite troops he had earned through sign-ins, launching a great battle against Cao Cao at Changban Slope. After driving Cao Cao back, Gu Shen decided to advance west and occupy Bashu, keeping Cao Cao at bay to the north and Sun Quan to the south.