Complex sentence: Decrius, cursing his standard-bearers for not standing their ground, shouted at his men to follow him, as, although struck by arrows in one eye and in several other places, he rushed at the enemy.
Split into simpler sentences: Decrius, cursing his standard-bearers for not standing their ground, shouted at his men to follow him. Although struck by arrows in one eye and in several other places, he rushed at the enemy.