Chaos - Spiritual Realm

From Soul Calibur - Wiki on Neoseeker

Chaos - Spiritual Realm is Abyss's and Night Terror's main stage in Soul Calibur III.

The Spritual Realm is in a completely different dimension. This "realm" is surrounded in flames and is a dark terror. You can only fight in this stage in Tales of Souls Mode if you choose Zasalamel as your character.