Complex sentence: During this period, the prince gradually becomes world-worn and more prone to violence, potentially explained by the plot of the which is set sometime later and involves the Prince setting off on a quest to find a Kingdom to rule.
Split into simpler sentences: During this period, the prince gradually becomes world-worn and more prone to violence. This is potentially explained by the plot of the which is set sometime later and involves the Prince setting off on a quest to find a Kingdom to rule.