>>15764804Sanctuary of Diana in Italy, legend was that her priest ( Rex Nemorensis) could only be consecrated by murdering the current Rex with a branch from a sacred tree that could only be pulled off by an escaped slave.
https://en.m.wikipedia.org/wiki/Rex_NemorensisThis legend inspired this whole book which ended up being 12 volumes and seems to be very influential to people interested in perenialism