Ancient White Dragon

Gargantuan / dragon / Chaotic Evil / CR 20

Armor Class20
Hit Points333 (18d20 + 144)
Speed40 ft, burrow 40 ft, fly 80 ft, swim 40 ft
Challenge20
Proficiency-
STR26+8
DEX10+0
CON26+8
INT10+0
WIS13+1
CHA18+4
Senses

Blindsight 60 ft, Darkvision 120 ft

Languages

Common, Draconic

Damage immunities

Cold

Traits

Ice Walk

The monster can move across and climb icy surfaces without needing to make an ability check. Additionally, Difficult composed of ice or snow doesn't cost it extra movement.

Legendary Resistance

Special

If the monster fails a saving throw, it can choose to succeed instead.

Actions

Multiattack

Action

The monster makes three attacks.

Rend

Action

. .

Cold Breath

Action

Constitution Saving Throw: DC , each in a -foot Cone.
Failure: damage.
Success: Half damage.

Prepared Spells

Fear

Referenced spells