He kept on throwing paper balls at Adrien, and Adrien sent them back, each time hanging on to the thought of the bat swinging and hitting the ball; he successfully managed to defend himself - only hitting Valerion twice more in the process, and he didn't mind; he seemed to be having as much fun as Adrien, if not more.

"Good, good. Now, let's try something different. Instead of the bat, try thinking of something else", Valerion said as one more paper ball jumped into his hand.

"Alright", Adrien said as he placed the staff in front of himself. He scrambled to find another idea - maybe - a wall, he decided; a sturdy wall - a stone wall that will stop the paper ball. Valerion threw the ball; Adrien drew an arc while thinking of that wall, and, as expected, the ball hit the border, then fell.