Complex sentence: After about an hour and a half of fierce exchange of bullets and abuses Vijyant decided that he had to end the enemy.In a brief lull in firing he rushed ahead to do so but a burst of fire struck him on his head.
Split into simpler sentences: After about an hour and a half of fierce exchange of bullets and abuses Vijyant decided that he had to end the enemy. As he rushed up to do so a burst of fire struck him on his head.