It could be a matter of self - preservation. If his father is involved in something dangerous that might also put Draco at risk, he might choose to eliminate the threat. For example, if his father made a deal with a more powerful dark wizard that would cost Draco his life in the end.
Perhaps Draco is tired of living in his father's shadow. His father has always been a dominant figure in his life, and by killing him, Draco could be trying to assert his own identity.
If you want the clearest chapter reference, go to Chapter 13. Early on, Sensing that something was off with Jiang Yan, Jiang Yan dismissed the...; later, the chapter leans on What on earth do you mean?" Ignoring him once again, Jiang Li shifted her....
The best chapter pointer here is Chapter 26, "Sending My Big Brother to a Transformation Variety Show". It opens with Shen Lan was bent over processing a large stack of press briefs on her... and closes on If you think you can use our family connection to have me handle this....
Chapter 936, "When Did the River Moon First Shine on People [Extra: River Moon Chapter]", is the clearest early answer because it turns University's situation into a concrete plot event.
Look to Chapter 72 for the clearest answer. It begins with Jiang Yan was still griping when suddenly a fair hand reached out beside..., keeps building through I'll take these, thank you." In an instant, five pairs of eyes stared over..., and lands on Think about it." Jiang Yan fell silent..
Chapter 15 is the strongest chapter-level answer because it starts from Jiang Shixu woke up from those nightmares filled with blood and darkness,... and follows through on Since she didn't move, Jiang Shixu also stayed put, and the kitchen, which....
A practical answer is Chapter 16, because it turns the idea into a concrete scene. The chapter opens with Just as the words fell, Jiang Shixu swiftly cast his eyes downward., adds pressure through Smelling the pleasant jasmine scent coming from her, his tense nerves..., and ends on Jiang Shixu.
The best chapter pointer here is Chapter 54, "Acting Righteously Hits the Trending List Again!". It opens with Five minutes later, the people of Chixia Village, who had received the... and closes on She was also polite and friendly, and to top it off, she was good-looking,....
If you want the clearest chapter reference, go to Chapter 19. Early on, What criminal law is this or that, this was originally none of your...; later, the chapter leans on In high school, she got into the international class by throwing money....
The best chapter pointer here is Chapter 15, "The Autistic Teen Jiang Shixu". It opens with Jiang Shixu woke up from those nightmares filled with blood and darkness,... and closes on Since she didn't move, Jiang Shixu also stayed put, and the kitchen, which....
A practical answer is Chapter 47, because it turns the idea into a concrete scene. The chapter opens with Qi is actually second???] [Did the production team make a mistake?, adds pressure through The internet is so chaotic, all that previous slander might as well have..., and ends on Qi is so.