Complex sentence: In the aftermath of the battle Arthur imprisons Gundleus although treats him with respect as he is a King, Arthur is very poiniant about Royal formalities, he then, much to Derfels displeasure, gives Derfel to Owain to train explaning that he only employs horsemen.
Split into simpler sentences: In the aftermath of the battle Arthur imprisons Gundleus although treats him with respect as he is a King, Arthur is very observant of Royal formalities. He then, much to Derfels displeasure, gives Derfel to Owain to train explaning that he only employs horsemen.