Armor Class 17
Hit Points 123 (13d10 + 52)
Speed 40 ft., fly 80 ft., swim 40 ft., burrow 20 ft.
Saving Throws DEX +3, WIS +3
Skills Perception +6, Stealth +3
Damage Immunities cold
Senses Blindsight 30 ft., Darkvision 120 ft., passive Perception 16
Languages Common, Draconic
Challenge 6
Ice Walk. The dragon can move across and climb icy surfaces without needing to make an ability check. Additionally, Difficult Terrain composed of ice or snow doesn't cost it extra movement.
Multiattack. The dragon makes three Rend attacks.
Rend. m +7, reach 10 ft. Hit: 9 (2d4 + 4) Slashing damage plus 2 (1d4) Cold damage.
Cold Breath (Recharge 5–6). con DC 15, each creature in a 30-foot Cone. 40 (9d8) Cold damage. Half damage.
Monster Manual (2024), p. 328