Young White Dragon

Young White Dragon Large Dragon, chaoitc evil 6 2,300 xp

Armor class 17 (natural armor)
Hit points 133 (14d10 + 56)
Speed 40ft., burrow 20ft., fly 80ft., swim 40ft.

STR 18 (+4)
DEX 10 (0)
CON 18 (+4)
INT 6 (-2)
WIS 11 (0)
CHA 12 (+1)

Save Throws: Dex +3, Con +7, Wis +3, Cha +4

Skills: Perception +6, Stealth +3

Damage Immunities: cold

Senses: blindsight 30 ft., darkvision 120ft, passive Perception 16

Languages: Common, Draconic

Challenge: 6 (2,300 xp)

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 moment.

Actions

Multiattack. The dragon makes three attacks: one with its bite and two with its claws.

Bite. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 15 (2dl0 + 4) piercing damage plus 4 (ld8) cold damage.

Claw. Melee Weapon Attack: +7 to hit, reach S ft., one target. Hit: 11 (2d6 + 4) slashing damage.

Cold Breath (Recharge 5- 6). The dragon exhales an icy blast in a 30-foot cone. Each creature in that area must make a DC 15 Constitution saving throw, taking 45 (10d8) cold damage on a failed save, or half as much damage on a successful one.