-during the Sky Battle-

Xanxus: Shut the fuck up! I am the one whose name contains the double X title, I am Xanxus!

Hyper!Tsuna: .........?

Xanxus: Do you think I will submit to a-!

Hyper!Tsuna: Wait.

Xanxus: Wh-what!?

*a blackboard magically appears*

Hyper!Tsuna: If you have two X in your name, doesn't that make you the 20th boss? *points at the written blackboard* You really got to learn your maths, Xanxus.

Xanxus: U-uh......

Author: And that's how Tsuna could have easily won in the Sky Battle. But it won't be fun then, ne~?