Destroy Planet

You create an aura of darkness and defeats all living within that planet. The aura spreads around all of the planet's area. It lasts forever unless wish is used

When casting, it will look for all of the living creatures and it can go through magical shields and anti-magic fields. The core of this magic must be on that planet. When and if the core is dispelled, it stops instantly and kills no one. When it does kill everyone, the aura will block out all chances of that planet have more living creature