He's a necromancer and she's an ice ghost. both belongs to:
He is on a misguided crusade to annihilate the elves, but later realizes after burning one of their cities to the ground that this is probably not a very good idea.
She's ghost of a young human girl. She was a traveling entertainer in her former life and had a fairly playful personality until she was killed by the town drunk for missing a note in his favorite song, however, she became a vengeful spirit as cold and merciless as the icy north.