Underground dwellers.

4A. Subterranean Serpents. Subterranean serpents seek out the most polluted and dark lakes, where they live and thrive. 4B. Subterranean Creatures. Subterranean creatures live in swamps; they are terrifying, and their saliva weakens the enemy. 4C. Subterranean Parasites. Subterranean parasites live in the depths of swamps; they are always ready to weaken or even kill their enemy. 5A. Subterranean Warlock. A Subterranean Warlock is a novice mage, but he already knows many secrets of witchcraft, making it difficult to call him weak. 5B. Subterranean Mage. Only Subterranean Mages possess their own black staffs, which can fire beams of destructive power. 5C. Subterranean Wizard. Subterranean Wizards studied magic from great teachers, so it is easy for them to cast terrible spells.