Though in his absence Cinna revived the legislation and the methods of Sulpicius. When violence broke out in the city, he appealed to the troops in Italy and practically revived the Social War. Marius returned form exile and joined him, though he appeared more intent on revenge than on anything else.
Rome lay defenceless before the conquerors. The city's gates to Marius and Cinna. In the week's reign of terror which followed, Marius wreaked his revenge on his enemies.
After the brief but hideous orgy of blood-lust which alarmed Cinna and disgusted their allies in the senate, Marius seized his seventh consulship without election. But he died a fortnight later (January, 87 BC).
Cinna remained sole master and consul of Rome until he was killed in the course of a mutiny in 84 BC.
The power fell to an ally of Cinna's, namely Cn. Papirius Carbo.