Glintstone:
    Elden Ring - The risks of Blood magic [BgCIiQnOIDc]
    https://old.reddit.com/r/Eldenring/comments/xtymvx/can_some_lore_expert_explain_to_me_what/
    https://old.reddit.com/r/Eldenring/comments/t5slq0/lets_talk_about_glintstone_sorcery_lore/
    Glintstones are hardened blood. Blood of the star, blood of people, blood of the Erdtree

