Simplify the following text for a Grade 8 native English-speaking person.
Original: Perhaps the most popular story about Dong Zhuo was the fictional love triangle involving Dong Zhuo , LÃ 1\/4 Bu and Diaochan , which eventually led to the death of Dong Zhuo in the hands of his own adoptive son , LÃ 1\/4 Bu .
Simplified: Dong Zhuo became arrogant and violent .