Original sentence: Fry investigates and discovers flying predatory creatures living underground.In a final show of Riddick's true nature, he delays departure until the last second before engaging the engines at full throttle to incinerate the greatest possible number of advancing creatures.On their way back, Riddick has trailed behind and is surrounded by two creatures.The group takes all their available light sources with them after learning that light damages the creatures.While Carolyn is helping Riddick to return to the ship she is attacked and abducted by one of the creatures
Edited sentence: Fry investigates and encounters strange creatures living underground.In a final show of Riddick's true nature, he waits for the aliens to close on the ship and puts the engine at full throttle to burn the aliens.On their way back, Riddick has trailed behind and is surrounded by two aliens.The group takes all their available light sources with them after learning that light damages the aliens.While Carolyn is helping Riddick to return to the ship she is attacked and abducted by one of the alien creatures