Complex sentence: Dash and Violet are spotted and chased by a number of Syndrome's guards, but fend them off with their powers before reuniting with their parents; however, Syndrome captures them, leaving them imprisoned on Nomanisan while he follows the rocket to Metroville.
Split into simpler sentences: Dash and Violet are spotted and chased by a number of Syndrome's guards, but fend them off with their powers before reuniting with their parents. However, Syndrome captures them, leaving them imprisoned on Nomanisan while he follows the rocket to Metroville.