Cursed Cutting Crater. 
An attack on the world by BB in control of the mooncell.
Also called the spirit particle imaginary pit. 

A world purge by means of event rewriting, making maximum use of the EX skill “Potnia Theron” BB had acquired. 

The goddess who is the mother of the earth goddesses who created the earth is, in other words, the “root” that created all creation.