Frost Dragons and Frost Dragon Hatchlings: * Okolnir; * Dragonblaze Peaks (together with Dragon Lords); * Chyllfroest (together with Ghastly Dragons and Undead Dragons). Ghastly Dragons: * Northern Zao's Ghastly Dragon Lair; * Corruption Hole; * Razachai Castle (together with Undead Dragons and Dragon Lords); * Chyllfroest (together with Frost Dragons and Undead Dragons). Undead Dragons: * Ashfalor's Throneroom; * The Arcanum; * Razachai Castle (together with Ghastly Dragons and Dragon Lords); * Chyllfroest (together with Ghastly Dragons and Frost Dragons).