In order to securely evacuate the Origin stratum, the enemy commander must first be found and neutralized.

A small group including Boxxo goes to the Origin stratum to help fight off the attacking monster horde there.

To get rid of the monsters in Clearflow Lake stratum, first the hole in the defensive wall needs to be filled.

A large group of ace hunters gather to the Dead's Lament stratum to take down the Netherlord once and for all.