Complex sentence: In the ensuing confrontation, S. Dravis is mortally wounded by the Guide-Bot's flares and the Material Defender deactivates the virus, which disables all of the PTMC's robots.
Split into simpler sentences: In the ensuing confrontation, S. Dravis is mortally wounded by the Guide-Bot's flares. Subsequently, the Material Defender proceeds to shut off the virus, which disables all of the PTMC's robots.