Tyrant Demon
بیداددیو
His whole art is arranging that somebody else pays.
Bidad is injustice, and the Shahnameh treats it as the real enemy: Zahhak's thousand years are not a monster problem, they are a government. A div named after it is the poem's own argument in one figure.
The face and the name are the game's. What they are made of is entirely Ferdowsi's.
In the game
He is in the game, and he is the one the poem would call the real enemy.