By Sword & Spell (2002)

From the cover -

A subterranean city of organized orcs are spreading mayhem across the Lands in their search for a magical dagger of incredible power. Above the ground, a band of heroes forms to delve into the Caverns of Blood and deal with the goblinoid menace. During their adventures, the PCs find that the orcs are the least of their worries.

By Sword & Spell is a 90+ page dungeon-based d20 fantasy adventure for four to six characters of 6th to 9th level. The module will be played over many gaming sessions providing hours of fun!

The adventure is a "traditional" dungeon delve deeper into the bowels of a large dungeon underneath one of your campaign world's cities. For those GMs that love crunchy bits this adventure introduces a host of well-developed NPCs, two new equipment items, 12 new magical items (including two powerful relics), six new creatures, two new templates, and one new feat. To ease the burden of game play, the adventure includes colorful maps for the GM including some "battlemaps" appropriate for miniatures.

By Sword & Spell can be used as part three of the Dark Prophet series, concluding the adventure series started in By Tooth & Claw and By Cult & Dagger) or it can easily be used as a stand-alone product.