A guide to magic and immortality

Jonathan was a person who got to experience the cold and frightening grip of death. Reborn into a new world he quickly discovers the existence of magic and hopes to be able to use it to cure his mortality. He also finds that the world he was reborn in wasn't nearly as developed as earth and was still roughly in the stone age. In this age the people believe in gods which strangely enough appear to be real.

This story is written from a 1st person perspective although the prologue isn't. I am posting this mainly to get feedback on my work since this is my first time writing an actual story. Because this is not mainly meant as a published story, I cannot promise consistent upload speed or how long this will go for.

Don't go into this expecting harem or romance because neither will appear