"The heart of the war hammer is a sphere of corrupted energy. It pulses as its tendrils grasp the edges of the grip, reaching into the heart of whoever wields the weapon."
Bind On EquipTierVScales With:STR 100%8.5Weight3000Durability
We can't find any source for this item (quests reward, drop, etc). It's highly probable this item is not obtainable right
now.
It seems that the New Corrupted Core is obtainable.