Yaldabaoth
A Semi-Concept of instinct and gore, a mother of monsters.
The Sarkic peoples gain their fleshcraft abilities from her… sort of. She doesn't offer them, they take them.
Yaldabaoth has the main goal of returning her children to wild flesh and instinct. Or that's how people often think of her.
The Flesh Mother is made of instinct and impulse. According to Mekhanite faith, she came into existence before planning was invented. She created life, but not as we know it. Life couldn't think yet. It was violent, hungry, lustful, corrosive, and nothing else.
This only changed with the intervention of Mekhane, the now-broken god. They gave life the ability to actually think. When The Flesh Mother tried to revert this, Mekhane became her prison.
Sometimes, she warps a lesser Semi-Concept into one of her archons. She doesn't even usually realize when she does this. It's not unusual for an archon to be unaware of Yaldabaoth's existence and The Flesh Mother likely doesn't know about most of the archons. This does not change the role of her archons; they are agents of her will.