Complex sentence: Luring Unicron into battle, the Maximals, aided, surprisingly, by the escaped Lio Convoy, Magmatron and his Predacons, managed to delay Unicron long enough for Convoy to use the power of the Matrix to charge his weapon into the Matrix Buster.
Split into simpler sentences: Luring Unicron into battle, the Maximals, are aided, surprisingly, by the escaped Lio Convoy, Magmatron and his Predacons. They manage to delay Unicron long enough for Convoy to use the power of the Matrix to charge his weapon into the Matrix Buster.