The Ravines of Karn

From publisher blurb: Beneath the deep jungles of south Salver, two hidden evils lurk in the ravines. If they combine a calamity would befall the earth. Ancient goblinoids imprisoned their demon god, and their ancestors still dwell within the ravines. The file is provided in two formats: a PDF for online use, and second file designed for printing at home for the true DIY experience.