Duergar mage (sorcerer)

Also known as gray dwarves, the duergar are from the Underdark and are the evil cousins of the surface dwarves.

Special abilities
The bolts a duergar mage fires inflict poison on-hit dealing either d2 strength damage (for the level 25 only) or d2 constitution damage, both with a DC of 14.

Duergar mages are immune to paralysis. They can cast invisibility as a spell-like ability with a caster level equal to their total hit dice (to a maximum of caster level 15).

A duergar mage is a pure sorcerer with the following known spells.