From the website:
"The Amulet of a Demon Prince
In a few days, the rising blood moon will reveal the resting-place of the soul amulet of a forgotten demon prince. A dark lord seeks the amulet, and if he finds it ultimate power is within his grasp. Someone must stop him and his diabolical scheme before evil is unleashed! But for the heroes to beat the dark lord to his prize, they must travel through time and conquer demonic foes!
A Battle Throughout Time
Chaos Rising is a classic dungeon exploration adventure by Jim Collura, designed for 4 or more characters of at least 12th level. It details an ancient and abandoned dwarven citadel where the demon?s amulet is hidden and provides unique encounters allowing the players to travel back in time to shape the very future itself! Chaos Rising supports monsters found in the Tome of Horrors."