Traits

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.

Legendary Resistance (3/Day, or 4/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.

Actions

Multiattack. The dragon makes three Rend attacks.

Rend. Melee Attack Roll: Hit: +11, reach 10 ft. 13 (2d6

• 6) Slashing damage plus 4 (1d8) Cold damage.

Cold Breath (Recharge 5–6). Constitution Saving Throw: Failure: DC 19, each creature in a 60-foot Cone. Success: 54 (12d8) Cold damage. Half damage.

Legendary Actions

Legendary Action Uses: 3 (4 in Lair). Immediately after another creature’s turn, the dragon can expend a use to take one of the following actions. The dragon regains all expended uses at the start of each of its turns.

Freezing Burst. Constitution Saving Throw: DC 14, each creature in a 30-foot-radius Sphere centered on Failure: a point the dragon can see within 120 feet. 7 (2d6) Cold damage, and the target’s Speed is 0 until Failure or Success: the end of the target’s next turn. The dragon can’t take this action again until the start of its next turn.

Frightful Presence. Fear The dragon casts , requiring no Material components and using Charisma as the spellcasting ability (spell save DC 14). The dragon can’t take this action again until the start of its next turn.

Pounce. The dragon moves up to half its Speed, and it makes one Rend attack. Ancient White Dragon