Blade

The keyhole shape appears to be a sigil associated with an archangel in Jewish Mysticism known as Anael (Haniel) and corresponds to Venus.
https://en.wikipedia.org/wiki/Haniel

https://www.youtube.com/watch?v=EqSzV7vl_uA&t=0s

Here is some other info about the Zoroastrian (Mithraic) bloodlines:
This link has information about the 13 Zoroastrian (Mithraic) bloodlines:
https://www.bibliotecapleyades.net/vatican/esp_vatican144.htm

The bull slaying ceremony practiced in Mithraism is/was done to get the blood. Then the priest would bathe in and drink the blood. Cow mutilations are done with laser technologies by the dark occultists. The blood removed from the cows is done for similar practices as those who practice(d) Mithraism.