The Eternal Knowledge Treasury replied: "A Level 3 civilization in the cosmic hierarchy can alter human memory at the microscopic level through quark-based virtual and reality interference technology."
"However, unless the regions of the brain where human memory is stored are physically excised, memories are never truly deleted. Therefore, such technology can only tamper with existing memories and use induced imagination to create new, blurred false memories."
"Induced imagination to create new memories?" Chu Yang gained a bit of clarity upon hearing this.
Chapter 199