Complex sentence: In the next loop Cage decides to go kill the Omega by himself but when he arrives at the dam he is ambushed by an Alpha who tries to drain his blood to prevent him from resetting the day.
Split into simpler sentences: In the next loop Cage decides to go kill the Omega by himself. But when he arrives at the dam he is ambushed by an Alpha who tries to steal his blood and prevent him from resetting the day.