This World Building Resource would go on my Appendix N. Aspiring World Builders will get a decent amount of mileage out this resource.

Good, solid adventure. A dark tower, crazy wizard, tales of strange deadly creatures... what's not to like? This fit seamlessly into my existing campaign. The new monsters are creative and tough for the unwary. There's some fun, new magic to be found as well. I highly recommend this one.

Quite frankly this book is amazing. I have recently read half-a-dozen or so books on everyday life in Europe during the middle ages and I don't think that I have learned anything that isn't already written in this book. Even if you're just a history buff that doesn't play RPGs you could get a ton of value out of this book. The amount of research that has gone into this work is phenomenal. If you want to run a campaign with a strong foundation in historical accuracy there is nothing written that comes even remotely close to being as helpful as this. There are newer editions available but I purchased the first edition several years ago and conitunue to use it so I am placing my review here for that reason.

Really enjoyable AD&D style adventure. They do a great job of continuing the tradition of old school modules.

The Advanced Adventure series is really great! Perfect addition for any AD&D group.

Really well done adventure for 1st edition AD&D. Good job!

I've run it twice, once in 1e, and once converting on the fly to 5e. It is an extremely well-constructed dungeon crawl, designed to be run bottom-up and top-down, depending on your needs. The monsters and traps and hazards are mostly unique, with a great creepy theme that PCs seem to really react well to. It strikes an excellent balance as far as danger to the PCs, also.

One thing to note is that the follow-on adventure, Down the Shadowvein, is more of a sandbox set of areas, and not written in the same style as this adventure.

I had bought this hoping the authors had worked out how magic could be embedded into medieval society without it feeling like modern technology (i hav that problem with steam punk) and causing modern society. (downtrodden serfs, hapless villagers, starving townsfolk)

Instead the magic users are a guild, like tanners, alchemists. Sort of squeezed between the cracks of history, without making any changes. This is good if you want low-magic games that look and feel just like historical reality - play Harn Master? - though i find that too gritty.

I had wanted it to be more like a fourth estate, with its own power base, but not too powerful, held in check by the nobility's armies and the church's faith-based powers. But not everyone with a sword works for a lord, and i would expect rogue mages just like there are witches and mercenaries. So i would also expect magic-strong areas to have better food in the country, fewer famines (ourside cities and large towns), better roads and tracks, some medicines etc. And there may be a rub - out in the wilderness there are no such luxuries, you need to do it all yourself!

A simply fantastic book for background when running a medieval campaign.

Great little free product that should be included in any mapmakers library as a resource for reviewing their own creations. It overviews aspects of geography and occurances in nature that ought to influence our designs but are easily forgotten in the excitement once pen hits paper so to speak. Highly recommended!

I have to say, i wasn't sure what exactly i was going to read, and was hoping it would help me define the contents of my fantasy world, as well as help me personally 'think' in a medieval way for DM'ing. I am so very impressed by this medieval guide! I wish i could articulate better in words my overall satisfaction. To the author, thank you so much for taking the time to pull this together, you are helping many DM's young and old master their worlds...

This is one of my favorite OSR adventures. I absolutely love it! Its a great dungeon crawl with some great villians and awesome magic items.

This is one of my favorite OSR adventures. Defintely has that gritty vibe to it.

This is a great adventure! The dungeon is quite extensive. The creatures are awesome. I love how dark and gritty and disturbing this adventure can be.

I bought this as soon as it was available. I loved this from the first time I read through it. Now that I have poured over it for many hours in preparation for my new campaign, making hundreds of handouts, etc... All I can say is, WOW!

All the attention to the details for an 1,100 page product has blown my mind over and over again, from the different factions, their histories, the indvidual NPC histories, the histories of the new races, simply mind boggling all the thought and attention to detail that had to go into this. Even their approximately 200 write ups for books that you can find in Arden Vul adds depth to everything, the histories of The Halls, the history of Arden and Vul themselves, and so much more. Plus the nice boosts the players can gain from some of them, let alone finding additional clues relevant to the over all story that are The Halls.

Then there is the mapping. So many maps, with so many encounter areas! The system they have come up with seems simple, and effective, but even so, with so many locations, you still will need to get familiar with the abbreviations to navigate these with any speed. However, I have yet to find an error, I have used their system to find the locations of each of the many factions, and to get an idea of the areas they control, because many of them control areas on more than 1 level. I have found no mistakes yet.

So while I was intimidated with all the information contained in this, getting ready to run it, making the handouts, learning the material for the different factions and personalities, as well as the history for the world provided, I feel ready. I feel I will do all of this material justice. I by no mean have it all memorized, but I am now familiar enough with the content, that I feel I can find it when I need to. The book marked PDF helps a good bit with this too, but it is by no means done to the level of being an index, so further familiarity is definitely going to be of help to me, so presumably you as well.

I also bought the POD hard covers, all 5 volumes. As is par for the course for my POD order history from drivethru, for soft covers as well as hard covers like these are, they look just like the images, and are of good paper and binding quality, so I expect them to hold up as well as other books I have ordered 5+ years ago.

I know the price point on these is rather high, but it is great content, with obvious well thought out writing and design, and I in no way regret buying this. I have thought ever since my first read through, and now think even more strongly, that this is an instant classic. ERP did a great job on this, and deserve to be proud of it. I look forward to creating our own memories with my own group of 7 in these halls, starting in just a few hours.

Great job, ERP.