Why did the dicing happen?

The Game of Dice was the traumatic turning point and had a crucial significance in the great epic Mahabharata because if there would have been no Game of Dice there would have been no disgrace and humiliation of the Pandavas and molestation of Queen Draupadi. Check this out:

https://eduindex.org/2021/07/12/game-of-dice-and-its-significance-in-mahabharat/#:~:text=The%20Game%20of%20Dice%20was,and%20molestation%20of%20Queen%20Draupadi.