Seize the Power of Hellfire!
Long ago, a few of the most ambitious spellcasters entered into dark pacts with certain denizens of the Eleven Hells. In exchange for magical prowess they coupled with hellish beings, ensuring their bloodlines would forever carry a fiendish taint. The scions of these unions were known as tieflings—the Demonmarked, the Hellborn.
Advanced Races: Tieflings is your... [click here for more]
Lost Worlds and Sunken Mysteries The life of an adventurer should be full of great daring, and little is more daring than retrieving the sunken treasures of the Underdeep! Sunken Empires is heaped high with glorious new magic, monsters, and rules for lost technology and abolethic horrors, including:
History of the Aboleth by David "Zeb" Cook
Full Ecology of the Aboleth
Glyph magic and... [click here for more]