Shadow of the Erdtree adds in more NPCs with questlines to Elden Ring, and they’re as cryptic as ever. Here are all the steps you need for Hornsent Grandam’s.
https://www.digitaltrends.com/gaming/shadow-of-the-erdtree-hornsent-grandam-quest/
https://www.digitaltrends.com/gaming/shadow-of-the-erdtree-hornsent-grandam-quest/