S-1-3 was called the Unusual Assembling Order.
It could forcefully conscript contained anomalies into a party to finish one mission of any nature, the drawback of which was that after finishing their mission, these anomalies would go out of control and needed to be re-contained.
After recognizing that Negary was an intelligent lifeform, the SCR Foundation had comprehended that his mental capabilities far exceeded that of humans. If they applied human thinking to contained anomalies to fight him, those anomalies would only be captured and turned into Negary's power.
For that reason, they had decided to pit the supernatural against the supernatural, allowing those anomalies to form their own parties and freely act in an unrestrained way, which would let the anomalies exert their true powers.
While the supernatural party was still being gathered, Site C4's mass containment breach had occurred ahead of time.
