Complex sentence: Some Pagmon also appeared at the Flame Terminal, along with a flock of Biyomons and a group of Elecmon, to defend the Flame Terminal from the SkullSatamon brothers.
Split into simpler sentences: Some Pagmon also appeared at the Flame Terminal. They, along with a flock of Biyomons and a group of Elecmon, defended the Flame Terminal from the SkullSatamon brothers.