The Necromancer's First Step. Volume 2

In 90 years, I mastered healing so much that I was able to make copies of my own consciousness, practically not aging and becoming the youngest archmage. But even good things come to an end—dead ones invaded us. I had to sacrifice myself to close the portal from which they appeared. I hated them with all my soul, but fate decided to mock me: I was reborn in a world where healing is now part of necromancy!