Complex sentence: Arthur tries to escape the city but is caught and put on a ship with hundreds of other men; the Blacklegs have been forcing all men of Arthur's age to try to pull a sword that has appeared near the castle from the surrounding stone.
Split into simpler sentences: Arthur tries to escape the city but is caught and put on a ship with hundreds of other men. The Blacklegs have been forcing all men of Arthur's age to try to pull a sword that has appeared near the castle from the surrounding stone.