Conversation so far:
What was Voldermort's character like?
Rowling described Voldemort as the most evil wizard for hundreds and hundreds of years.
What are some of Voldemort's character traits?
He is a psychopath and sadistic narcissist, with no conscience, regret, or empathy.
What did JK Rowling base Voldemort's character on?
He was an orphan born from magical coercion, and thusly is unable to understand love.

Question: What did Voldemort accomplish?
Self-contained rewrite: What did Voldemort accomplish?