Darkness nested in the woman’s heart
And her husband found that the Dark Face lingered there
So he took her to a pit of fire
And he cast her in.
-Twenty-Ninth Explanation, Sun’s Sword 5:8, The Book of Two Faces
The God has two faces, and wears two masks.
One is a bright mask, shining with light, shining like the sun’s gold; it is the Gold Mask.
The other is a dark mask, blackened with shadows, black like the night. That is the Dark Mask.
-First Explanation, Priest’s Teachings 1:2, The Book of Two Faces
Could be used for killing a certain animal...a prized animal. The bones must be carefully buried or disposed of lest a sorcerer get a hold of it. With the bones of the dead creature the sorcerer can kill the hunter.