Everybody knew Shakuni was a bad influence on Hastinapur. But nobody could even imagine how diabolical his mind was. He had a crooked calculation in his mind. He had correctly expected that Yudhisthira would swallow the last bait too and continue playing with his family members. Shakuni actually wanted him to play the game with his mother at stake. What could have been a sweeter revenge for Shakuni if he could reduce Pritha to a slave woman?