Among the smallest and least intelligent of dragonkind, most white dragons are simply animalistic predators with a predilection for gems and frozen meat.
Alignment: chaotic evil
Armor class: 25
Hit points: 189
Attack bonus: +22/+17/+12/+7
Damage: d8 +6 / d8 +6 / 2d6 +6 (claw / claw / bite creature weapons)
Hit dice (level): 18
Challenge rating: 12
Spell resistance: 18
Damage reduction: 5/+1
Trained skills:(‡) concentration (24), listen (20), spot (20)
Feats: alertness, cleave, darkvision, knockdown, power attack, weapon proficiency (creature)
Standard loot: dragon blood
An adult white dragon has the usual dragon immunities to paralysis, mind-affecting, and sneak attack, and it has permanent true seeing. It can use its cold dragon breath thrice per day, and aura of dragon fear once per day.
See also: wyrmling white dragon, old white dragon, ancient white dragon