The Chain Reveals the Witch

From C7.5, The Witch of the Fourth Stage. It illustrates C7.5.44–49:

C7.5.44
Esfandiyar then cast it round her neck;Her strength collapsed beneath the sudden check.
C7.5.45
She took a lion’s shape; he raised his blade,And answered, steady, bold, and not afraid.
C7.5.46
“You cannot harm me, though your spells could makeYour form an iron mountain none could shake.
C7.5.47
Show your true face; let all disguise be shed;My sword shall give its answer now instead.”
C7.5.48
A fetid hag in chains now met his sight;Her face was black, her head and hair were white.
C7.5.49
His khanjar struck her head; the witch lay dead.May you not see her body or her head.