Searching for an unsecured "index of" directory is risky. Instead, here are the legitimate platforms where the full series is indexed and available:
The "Undefeated Gaul" and former champion who starts as Spartacus' rival. Peter Mensah index of spartacus blood and sand
The easiest place to watch is the streaming service (available via Starz.com, Amazon Prime Video Channels, or Apple TV Channels). They frequently offer a 7-day free trial. You can binge the full 13-episode season within a week and cancel for free. Searching for an unsecured "index of" directory is risky