dark-light spans from 10-28 to 8-6 https://qpatterns.github.io/
an expandable reference node map would be helpful. drops, twats, habbenings, connections. essentially an interactive 3-d representation of the timeline relationships.
probly cuz ppl know mobsters use cement to conceal dead targets and that blood has historically been a common aerator in commercial cement. not to mention the benefit walls of blood would have when securing a site for rituatlistic purposes and other things witches do.