The Wizard's Tower Issue 02: The Arachnomancer

From publisher blurb: The adventurers put their feet up for a well-deserved break in a nice warm tavern. Tonight, however, the taps run dry. Not on their watch! What follows is a simple, OSR-inspired, system to describe a Wizard’s Tower. It is designed to be incorporated into your campaign world, using the rules you feel like using. The wizard is a spidery spy with nefarious arachnid allies. Can the Adventurers survive the mysteries of this inverted tower?!