The Principle of a Philosopher by Eternal Fool

When he was young, he had failed at the Magic Academy and was looked down upon by others.

However, by chance, he came across a mythological medicine, thus he obtained an immortal body.

To take revenge on those who made fun of him. he started researching different magic and magical artifacts from the academy. After 5,000 years of research, he had become a user of ancient magic before he knew it.

The people he took revenge on have long since disappeared, lost his purpose, Asley goes on a journey to see the world after 5000 years with the familiar Pochi. …