Niflheim is a fictional world that appears in Soul Chronicles: Tale of the Spiritual Samurai that is based off of Niflheim from Norse Mythology.
This is where Bakixas and the others started out at that is mostly a frozen ocean with broken ancient viking ships frozen half way within the ice. This area is infested with zombie viking warriors.
The Old Woman's Hut
A mysterious hut that belongs to the old woman, Elena that somehow knows who Bakixas is.
A shrine that is located on the highest mountain in Niflheim that has the Orb of Loki resided till Gustave stolen it.