Avoid the Sins

Sowers of Discord, Inciters of Rebellion
They divided people in life, so now in death they are hacked and divided into a dismembered state, forced to drag their mutilated bodies around the ditch. Their wounds heal as they march the circuit, and then the devil cuts them open again.

Forgers, Counterfeiters, and Identity Thieves
Forgers are afflicted with leprosy, counterfeiters given dehydration, and identity thieves driven insane. Their physical rottenness mirrors the false rottenness of their souls that caused them to falsify things.

Examples of people in the eighth circle
Ulysses and Diomedes: Used the Trojan Horse to manipulate the Greeks
Guido da Montefeltro: Gave fraudulent advice in exchange for a promise of salvation from Pope Boniface VIII

9. Treachery: The ninth circle of Hell, the lowest, blackest, and farthest circle from Heaven. It is reserved for those who have betrayed their loved ones, country, and God.

Features
divided into four regions, each named after a person who personifies the sin
All souls are frozen in an icy lake, with those who committed the worst sins deeper within
also the place where Lucifer's real body is imprisoned

Regions of the circle of treachery
Caina: Named after Cain, who killed his brother Abel
Antenora: Named after Anthenor of Troy, who was counselor to Priam during the Trojan War
Ptolomaea: Named after Ptolemy (son of Abubus)
Judecca: Named after Judas Iscariot, the apostle who betrayed Jesus with a kiss