Old blue dragon

Blue Dragons are vain and territorial. They prefer to hunt on cloudless days, when their blue scales allow them to blend with the open skies.

Special abilities
An old blue dragon has the usual dragon immunities to paralysis, mind-affecting, and sneak attack, and it has permanent true seeing.

This creature use its lightning dragon breath thrice per day, and aura of dragon fear once per day. It can also cast as spell-like abilities dispel magic, fireball and lightning bolt each twice per day with a caster level of 7.