Answer:
David did not break his pencil
Yu-Gi-Oh! was written and illustrated by Kazuki Takahashi.
This Japanese manga series was initially planned as a horror manga where using "battles" as his primary theme. However, the horror manga did not bear fruit for it was not unique enough from other horror manga.
Takahashi was influence by the games he played as a kid. He believes that the player in the game is the hero and he wanted that to be reflected in his work.
Ultras Ulcers I can think of twoLoL
