Generate Lich names randomly, Each name has its meaning for your reference. Such as Azrael The Frostbringer means "Angel Of Death" Who Brings The Cold Touch Of The Void Malakai The Eternal means "Messenger Of God" Who Has Eternal Life You can choose the name you like best to use.
"Harbinger of doom"
meaning dark and shadowy
Nocturnal refers to something happening at night, while Reaper refers to a deathly figure. This name represents a Lich who is a bringer of death during the night.
"a lich who guards and maintains the realm of the dead"