For a Necromancer, the Garden of Osiris is an irresistible temptation.
Osiris, the first mummy in Ancient Egyptian mythology, is the ruler and judge of the Netherworld. When a soul enters the Netherworld, it must place its heart on the scales before Osiris to undergo judgment.
In the Ancient Egyptians' religious beliefs, souls are weightless. Evil deeds burden the soul, making it heavy. If the heart, symbolizing the soul, weighs more than the feather of Ma'at—the Goddess of Truth and Justice—then the soul will be devoured by Ammut, a monstrous creature with the head of a crocodile, the upper body of a lion, and the lower body of a hippopotamus, and it will never find eternal rest.
But if the soul is lighter than Ma'at's feather, the deceased's spirit can enter the Fields of Iaru, the resting place for souls where eternal life is granted.
However, the idea of souls being judged in this manner likely emerged only after Osiris's divine authority became strong in later periods.
