Complex sentence: Also featured atop Mount Olympus are Hercules' father Zeus and Dodonis with his crystal rock of seeing; both often warn Hercules of the troubles going on down below in and around the Kingdom of Caledon or deep in the Lernaean Forest.
Split into simpler sentences: Also featured atop Mount Olympus are Hercules's father Zeus and Dodonis with his crystal rock of seeing. Both often warn Hercules of the troubles going on down below in and around the Kingdom of Caledon or deep in the Lernaean Forest.