Hydra Marshes are a system of swamps and floral growth on the southeastern portion of the main El Nido island. The marshes have a unique ecosystem, as the Hydra who live there regulate the water's freshness, possibly by secreting chemicals or by other means. Many insects and reptilian creatures evolved in the swamp, thriving off its resources. Some lived high over it, as huge trees sported branches that extended to the sky, allowing even Human-sized organisms to scamper up their lengths. The swamp also played host to the Dwarves and their leader, the Dwarf Chieftain, who fiercely guarded the Hydra and viewed the marshes as sacred and a vital life force of the planet. Unfortunately, explorers from the Zenan mainland found that Hydra Humour works as a panacea for all kinds of diseases; they