The second in the Complete Dungeon Master series. (This time, not a boxed set.) Designed for use with any fantasy roleplaying system, rules are included for D&D, AD&D and Runequest.
Contents from back cover:
A fully detailed scenario
Six sheets of full-colour floor plans
Four sheets of artifacts (maps, scrolls, etc.)
Four sheets of NPC statistics
And a dungeon master's screen
This adventure was later reworked for Warhammer Fantasy Roleplay and published under the name 'Blood in Darkness'.