The Muspelheim Realm Title update for Nordic Ashes: Survivors of Ragnarok has 10 achievements.
Conquer Niflheim in Normal mode or higher.
Conquer Muspelheim in Normal mode.
Conquer Muspelheim in Hard mode.
Conquer Muspelheim in Expert mode.
Slay 3500 fire entities in Muspelheim.
Slay 10000 demons in Muspelheim.
Defeat Dark Phoenix Eimyrja in Normal mode.
Defeat Skarde, the Torment in Hard mode.
Defeat Surt, Volcanic Rage in Expert mode.
Conquer Muspelheim in Expert mode or higher.