Carlo looked at Oliver, and tried to assess him. The kid in front of him was so carefree, it seem like Carlo's reputation hadn't even faze the young man. Carlo grabbed his cane, he wanted to test Oliver, by scratching him a bit, using his sword.
Oliver who had already imagined this kind of talk in a coffee shop with a similar kind of scenario multiple times in his head, also each time he was imagining it he was talking with different characters. This made Oliver ready to say a bunch of stuff depending on what Carlo said or did.
So when he saw Carlo grip his cane, Oliver chuckled.
Next chapter will see who won. Also an explanation on what the plan was.