Complex sentence: It's abilities include the "Sky Sonic Blast", which involves shooting laser blasts from all three Sky Brothers Zords, and the "Sky Strike", a fiery flying attack which uses the Megazord as a missile as the finisher.
Split into simpler sentences: It's abilities is Sky Sonic Blast, shooting laser blasts from all three Sky Brothers Zord. It can also execute a fiery flying attack called the Sky Strike using the Megazord as a missile as the finisher.