X-Blades/The Long Descent

For this area the rumbling poses no threat on Ayumi. Follow the hall all the to the opening where the path to continue is blocked by forcefield. Here group of Pangos will appear. Take them out and the path will clear. head down the flight of broken stairs around the bend where the path is parted and the left side becomes block by a forcefield. Head for the right and the path behind will also become blocked by another forcefield. Here in this room there is a Ruby Artifact, so collect it to unlock, if the other two pieces are in possession, Ayumi's "Airstrike Upgrade Level 2" and battle the gang of Pango's. Defeat them and the forcefield on the left disappears, head in the next room where another group of Pango's are waiting. Defeat this group and the level will be complete. Now collect the leftover items head down the next flight of steps where the exit is on the left.