Against my fate

This is the story about the birth of the greatest necromancer, the insatiable Lich queen. Have you ever thought about what happens when you die? She was the most powerful woman on the planet. She took down fortune 500 companies single handedly. She developed technology above and beyond this generation. But she was betrayed and assassinated by her closest friend. And now she is a ghost. Will she pass away into the ether in peace or will she fight for her life? What can a ghost possibly do?