Reading Alighieri's "The Divine Comedy" just for fun, the best way to enjoy books.
Dante and Virgil observe as two damned souls are entwined in combat. One of the souls is an alchemist and heretic named Capocchio. In this depiction Capocchio is being bitten on the neck by Gianni Schicchi who had used fraud to claim another man's inheritance.
William-Adolphe Bouguereau is a true master and captured the scene so well. (1850)