Why Are You Like This?

My name is Annie. Klein is a magician. Some people call me the great Lord of Truth, the omniscient and omnipotent scholar, the God of wisdom and knowledge. Of course, I never claimed it. I am an immortal species and don't like to interact with other people. I stay in the Mage Tower all year round. When one day I discovered that the last letter to my friend was from a thousand years ago, I suddenly felt that the world was so peaceful. When I got out of the mage tower and took a look, my God, the world was destroyed? Very good, it turns out that it was my heaven-defying friends who fought and broke the law to pieces. No? Why are you like this? I went to do research, not to die!