I highly recommend this module. As a fairly new DM, I found it easy to set up and run for my group of 9 level 5 players as a special Halloween one shot adventure. Ravenloft is a fun setting. The module provides a brief backstory of Barovia, and explains some of the novelties of the setting. The end boss would be plenty tough for the recommended party of 4 5th level characters. I would of course recommend buffing the boss if you are playing with a larger group or with higher level characters in order to maintain the deadliness of the encounter.

This is a Ravenloft product you want to use. Between the engaging story, the well-written tips on how to bring out the best of this adventure, and the beautiful layout, I just don't think you can go wrong with Terror of the Bleak Woods.

I'm currently running a bi-weekly Curse of Strahd campaign and definetly will use the Sanghast monster to reign terror on the players from the skies. This adventure allows the DM to add variety to the village of Barovia, and also includes a huge map of the Barovia region that expands upon the maps in Curse of Strahd.

If you are running Curse of Strahd, or a gothci horror campaign, I highly recommend you pick up this adventure!