This is one that has slipped by my radar. $20 for Print and PDF of The Black Monastery and available for Swords & Wizardry? May need to add this to my endless gaming collection myself.
Level range 7-9.
Cosmic Monster: the Xantherium - The floor was spotless a minute ago, but now a yellow spatter blooms in the stone. They look like yellow carnations, trampled in the mud. They do not move...
2 hours ago