Mistral

Mistral is a sidhe lord and one of the Queen's Ravens. In the absence of Doyle, he rose to be Captain of the guard.

He was out of favor with Andais for years. He was everything the queen abhorred, loud, bragging, quick to anger, unforgiving, but powerful, so was admitted to the Unseelie court when banished from the Seelie mound. He was always placed far away from Andais at table, and given duties to keep him away from her, until he was made captain of the Ravens in Seduced by Moonlight. Meredith mentioned that her father thought him a fool.

In Mistral's Kiss his touch turns the black hounds into "huge Irish wolfhounds, not the pale, slender ones of today, but the giants that the Romans had feared so much"

In Swallowing Darkness, it is revealed that in his capacity as a storm god, long ago, he created the race known as nightflyers, now an integral part of the sluagh.

Weapons & Possessions
Lightning - It once belonged to Taranis. A spear, it sparkled silver and white, almost as if it were made of a jewel. To touch it without the ability to call lightning would burn the individual, often fatally. With it the wielder can call lightning to his hand, and can call and direct storms.

Powers
He is able to throw lightning from his hands.

Manifestation - His emotions affect the weather. He can create storms out of nowhere. He had lost this ability but has regained it in A Stroke of Midnight

Creation - Once his powers as a storm god were great enough that he was able to create the nightflyers.