Raging swords:
Black swords when unawakened.
Method of revival: The user needs to be one with a gift for a element affinity. The user needs to be a core awakening fighter. He needs the right power stone to awaken the sword. He needs to be reborn as one with the sword.
Special power: It can evolve differently with different users.
Soul slayer weapons: A special artifact for soul reapers.
Special power: Purification of the soul.
Devine artifacts : ?????
Grim items: ?????