How do I obtain and upgrade a skill? Agent #2 March 11, 2020 15:10 Updated You can obtain or upgrade a skill by reading a skill book. Search for skill books wherever you might go in Grim Soul. Related articles What is the Altar and what is it used for? What is Castle Level? Where can I find a horse? What is stunning and how does it work? How can I find a Night Cache? Comments 0 comments Article is closed for comments.