Scanning Project: Lair of the Warlock

Here's something I crafted about three decades ago: Lair of the Warlock.

 I whipped this together to serve as an adventure for 1st-level PC's. Like Dungeon of the Dragon Lord, this one is missing the stats for the Big Bad (a magic-user by the name of "Maczaar"), but any 3rd- or 4th-level wizard-y NPC should do: