Monsters

Breath Weapon (Su): Either a line of fire 5 feet high, 5 feet wide, and 5x5x80 feet long or a cone of sleep gas 40x40x40 feet long. It cannot use either breath weapon until 1d4 rounds later. Fire damage 5d6, Reflex half DC 21; cone damage Will save (DC 21) or sleep for 1d6+5 rounds.

Frightful Presence (Ex): The dragon can unsettle foes with its mere presence whenever it attacks, charges, or flies overhead. Creatures with fewer than 16 Hit Dice (except for other dragons) within 150 feet of the dragon must succeed at a Will save (DC 20) to avoid this fear effect, and remain immune to that dragon's frightful presence for one day. On a failure, creatures with 4 or fewer HD become panicked for 4d6 rounds and those with 5 or more HD become shaken for 4d6 rounds.

Spells: Knows and casts arcane spells as a sorcerer of level 5, gaining bonus spells for a high Charisma score. Can also cast cleric spells and those from the Chaos and Knowledge domains as arcane spells.

Spell-Like Abilities: At will-speak with animals; 3/day- endure elements (radius 50 ft.). These abilities are as the spells cast by a 5 level sorcerer (save DC 12 + spell level).

Immunities (Ex): All dragons are immune to sleep and paralysis effects. All brass dragons are also immune to fire.

Fire Subtype (Ex): Fire immunity, double damage from cold except on a successful save.

Blindsight (Ex): Can ascertain creatures by nonvisual means (mostly hearing and scent, but also by noticing vibration and other environmental clues) with a range of 150 feet.

Keen Senses (Ex): Sees four times as well a human in low-light conditions and twice as well in normal light. It also has darkvision with a range of 500 feet.