Arden's Adventures, Volume 1 Against Tsathogga The disciples of the Demon Frog-God are massing in the swamp... and the heroes have wandered into their clutches. Can they enter the Unholy Cesspool of the tsathar frog priests to defeat their angry god? Or will they become frog food for the hungry minions as the demon-lord returns to wreak havoc? An adventure for 46 characters of 12+ levels. Designed for Old-School Essentials