Complex sentence: They later discover that the town leader, Volgud, seems to be controlling the Kraken, but soon learn that the Kraken itself is the master, having made a deal with Volgud.
Split into simpler sentences: They later discover that the town leader, Volgud, seems to be controlling the Kraken. But soon learn that the Kraken itself is the master, having made a deal with Volgud.