Complex sentence: Batman reluctantly convinces Joker that he is the reason for being the hero he is, and working together alongside Batman's friends, the villains, and the city's inhabitants, chain link themselves together, reconnecting the city's plates.
Split into simpler sentences: Batman reluctantly convinces Joker that he is the reason for being the hero he is. Batman and his friends, with the help of the city's inhabitants and villains, chain link themselves together, reconnecting the city's plates.