Complex sentence: Meanwhile on a scouting mission, Bruton is attacked and injured by the predators, before he escapes and returns to inform Kron that they are being followed, sending the entire herd into a panicked flurry.
Split into simpler sentences: Meanwhile on a scouting mission, Bruton is attacked by the predators, before escaping. He returns injured, and informs Kron that they are being followed, sending the entire herd into a panicked flurry.