Herodian, History of the Empire From the Death of Marcus…
“ The sword of Perennis is at your throat. Unless you guard yourself from a danger not threatening but already upon you, you shall not escape death. Perennis himself is raising money and an army to oppose you, and his sons are winning over the army of Illyricum. Unless you act first, you shall die." 5. Whether he said this by divine inspiration, or whether, obscure and unknown before, he was making an effort to gain fame, or hoped to receive a generous reward from the emperor—whatever the reason, Commodus was thunderstruck. ”
