The big bad demon pulling the strings is Asmodeus, who is tied directly to Shu's mother.
Overwhelmed with rage and grief, Shu chooses to weaponize his memories in the most tragic way possible. He offers up every single memory of Miles to Kisara as fuel, completely erasing his love and bond with his foster father so he can kill him without hesitation. 📜 Massive Lore Reveals
The explosion at the mine that destroyed Shu's family was actually triggered by his biological father in a desperate attempt to stop his children from being used as demonic weapons. 🧠 The Psychological Horror of Memory Loss
In a classic, tragic twist, Miles didn't betray Shu out of malice. He sold his soul to Asmodeus to save his own dying daughter.