From publisher blurb:
Ronin Arts steps back in time to an age of excessive violence, deep dungeons, wandering monsters, and late-night gaming excitement! DUNGEON HAZARDS, the latest release in Ronin Art’s FIRST EDITION FANTASY series, features almost 100 slimes, molds, fogs, environmental, terrain and other hazards for use with OSRIC or any other first edition-style game system.
Perfect for use with mid-level and high-level campaigns. Throw these new hazards into your next adventure and watch as your players try to save their characters' lives! Great fun for game referees everywhere!