Four Against the Forsaken Depths

From publisher blurb:

Delve into the bowels of Norindaal and level up your heroes! This book has all the rules for the Heroic and Legendary adventuring Tiers, and describes the lethal dangers and limitless riches of the Forsaken Wastes.

Heroic skills, including Heroic spells
Legendary Skills,including Legendary spells
Heroic and Legendary magic treasures

Full profiles for all the monsters that dwell in the bowels of Norindaal.
Map and content generators for the Six Rivers ofthe Forsaken Depths, the Citadels and the fearsome Cyclopean Idols.

New tiles for underground dungeons and for the six rivers.