Revenge of an Adviser

I was a smart guy who loved magic and everything that came with it. I studied it religiously so much so that my knowledge became a vital skill sought out by major guilds. Ultimately I ended up joining the Prince’s Brigade as I was promised huge perks and money I couldn’t refuse. I quickly became more than a magic nerd sought out for his knowledge, I became the main adviser for the Prince’s Brigade. Because of this I got to know major figures and learned lots of things good and bad. I also started to learn about secrets in the kingdom that very few have knowledge of because of my connection with those major figures. I eventually became such an important figure in the kingdoms that a lot of the Kings started to feel threaten. I was then backstabbed by my kingdom’s King and Prince. The Goddess of this world decided to send me back in time before I died but with a advance form of my brain, which gathered knowledge very easily, she called it Great Sage. The great sage is a very advanced AI system that can analyze anything.