Elemental. Imagine a spinning flame with a small insignificant figure dancing a frenzied dance as his/her life force expires. Elementals exist partway between the spirit and mortal world and are the link between sorcerers and demons. Spells can be cast through elementals but these are weak by comparison to spells cast through demons. Drachar’s Demons is a good source of information on this subject.
Grakyn. Sleek, ebony, flying nightmares. Keep away from these. They are the enemies eyes and ears and ideal for scouting. They cast spells, including bolts of power.