Those sacrifices are to power the technology that they have under their temples, or shrines, or altars.
This is in part how they put those 'souls' into those things.
It feeds them with the chemical emitted in their blood in which these reptilians love the taste, and use for these augmented hybrids for life extension technology...how they live so long.
It also has to do with how they have harnessed the leylines on the planet, and have distorted the construct into the mirror time loop.
It's kinda like the rubics cube:
It use to go counterclockwise, which pulls energy from source instead of our bodies...we are transmitters, like energetic beacons and mini universes. We are that powerful.
So now it's going clockwise, which causes timelines.
They've hijacked our biofields....auras are magnetic, the etheric body is electric. The moon magnetic, the sun electric.
They've had this ability since the late 1800s and how they destroyed Tartaria which used the natural energy from source/earth to power everything instead of from us.
We all have these abilities, to telepathy, remote viewing, healing ourselves and others, To see all the other worlds that inhabit the same space as the 3d overlay.
These groups are commonly used for soul binding of the subject.
For Satanists, Luciferians, witches, and those practicing Santeria, voodoo, violent religions or other related rituals involving drugs or killing, the Black Magician is allowing their body to become possessed by lower spirits and is being controlled to spread the infection of this Satanic force field into the earth. In this way portals can be ripped open and demonic entities can freely roam among us. The world of forces can be ritualized through offerings of anti-life through blood sacrifice, called Satanic Ritual Abuse, and its black hearted and evil intentions are made manifest through superimposing forces or binding others energies without their consent in physical matter. Blood Sacrifices and killing rituals are also used to bind groups of souls to demonic entities and ET and A.I. entities, for collecting their energy source and to satiate blood lust.
Demons and entities are manufactured....they are A.I.

He never says who they are...but they are A.I.
Archons
ARChitecture For Cooperative Heterogenes Online Systems
These ARCHONS, or parasites are the root cause of all diseases such as cancer, herpes virus, AIDS, shingles, etc. Every disease you can think of. ARCHONS affect the plasma level of matter. This means this alien technology has also been able to affect our emotions in that we would feel things that don’t even belong to us. It should also be noted that these AI parasites are implanted in everything, not just people. They are in animals, plants, our ecosystem as well as our computer systems, including all intelligence and banking systems.

We use to get new archons sent to us yearly, during winter solstace, but this hasn't happened since 2018 so they came up with the CONvid and their A.I. nanobots and software they were experimenting on at DARPA.

They are the cause of most all mental illnesses....like schizophrenia.
It's the black goo. Parasitic Artificial Intelligence.