Gate

Sheol gate is located under the 13th Hierarchical city of kagutsuchi the branch of Novus Orbis Librarium which holds the Cauldron which is the Azure Grimoire's original form and its purpose is to gather souls to smelt the sword in its body. This sword holds used to hold a Murakumo unit that almost caused the black beast to return. This place is where a fierce battle between Ragna the Bloodedge and the unit Mu-No 13 and Noel Vermilion took place.

This is a battle area.