Complex sentence: He sent the Time Shadow many times and activated Eric's Mega Battle Armor all without revealing his true identity wasn't revealed until he traveled through time himself at the end of "Dawn of Destiny" because the future was getting thrown too far off track.
Split into simpler sentences: He sent the Time Shadow many times and activated Eric's Mega Battle Armor all without revealing his true identity. His true identity wasn't revealed until he traveled through time himself at the end of "Dawn of Destiny" because the future was getting thrown too far off track.