Many-armed monsters that have long been known for fighting with others of the same species. Most commonly found in gorges and ravines.
- Name: Hecatoncheir
- Family: Demon
- Location: Vale of Sighs
- Vulnerable: Water | Axes
- Half Damage: N/A
- Immunity: Dark
- Absorb: N/A
- Common Drop: Lamellar Armour
- Rare Drop: Booster Bun (P. Atk)
- Common Steal: Lamellar Armour
- Rare Steal: Booster Bun (P. Atk)
- Off The Leash Move: Thrash