Complex sentence: A while later the T-0400TP also fell victim to the Nyx, the T-virus flowing within the Tyrant's body allowing it to absorb the Tyrant, while keeping it alive.
Split into simpler sentences: A while later the T-0400TP also falls victim to the Nyx. The T-virus flowing within the Tyrant's body allows it to absorb the Tyrant, while keeping it alive.