Opimius added to his force a group of mercenary Cretan archers who were waiting just outside Rome, suggesting a degree of premeditation in his actions. Caius and his outnumbered supporters occupied the Temple of Diana on the Aventine Hill, but the consul refused all offers of negotiation and stormed the building. Gracchus died in the fighting and his head was brought to Opimius, who had promised a reward of its weight in gold.