Ancient 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 also has many spell-like abilities at caster level 11. Of these, it can cast circle of death once per day and cloudkill, cone of cold, confusion, dominate person, fireball and greater dispelling twice per day.